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2023-05-26drm/panel: simple: fix active size for Ampire AM-480272H3TMQW-T01HDario Binacchi
The previous setting was related to the overall dimension and not to the active display area. In the "PHYSICAL SPECIFICATIONS" section, the datasheet shows the following parameters: ---------------------------------------------------------- | Item | Specifications | unit | ---------------------------------------------------------- | Display area | 98.7 (W) x 57.5 (H) | mm | ---------------------------------------------------------- | Overall dimension | 105.5(W) x 67.2(H) x 4.96(D) | mm | ---------------------------------------------------------- Fixes: 966fea78adf2 ("drm/panel: simple: Add support for Ampire AM-480272H3TMQW-T01H") Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> [narmstrong: fixed Fixes commit id length] Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230516085039.3797303-1-dario.binacchi@amarulasolutions.com
2023-05-26drm/panel: simple: Add Ampire AM-800480L1TMQW-T00HGeert Uytterhoeven
Add support for the Ampire AM-800480L1TMQW-T00H 5" WVGA TFT LCD panel. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/244d9471e0ed248ff2dea8ded3a5384a1c51904b.1684931026.git.geert+renesas@glider.be
2023-05-26dt-bindings: display: panel-simple: Add Ampire AM-800480L1TMQW-T00HGeert Uytterhoeven
Document support for the Ampire AM-800480L1TMQW-T00H 5" WVGA TFT LCD panel. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/422adef8c4941fa56fdadacb3d362a9fb387455e.1684931026.git.geert+renesas@glider.be
2023-05-26dt-bindings: bridge: samsung-dsim: Make some flags optionalAdam Ford
In the event a device is connected to the samsung-dsim controller that doesn't support the burst-clock, the driver is able to get the requested pixel clock from the attached device or bridge. In these instances, the samsung,burst-clock-frequency isn't needed, so remove it from the required list. The pll-clock frequency can be set by the device tree entry for samsung,pll-clock-frequency, but in some cases, the pll-clock may have the same clock rate as sclk_mipi clock. If they are equal, this flag is not needed since the driver will use the sclk_mipi rate as a fallback. Signed-off-by: Adam Ford <aford173@gmail.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-8-aford173@gmail.com
2023-05-26drm: bridge: samsung-dsim: Support non-burst modeAdam Ford
The high-speed clock is hard-coded to the burst-clock frequency specified in the device tree. However, when using devices like certain bridge chips without burst mode and varying resolutions and refresh rates, it may be necessary to set the high-speed clock dynamically based on the desired pixel clock for the connected device. This also removes the need to set a clock speed from the device tree for non-burst mode operation, since the pixel clock rate is the rate requested from the attached device like a bridge chip. This should have no impact for people using burst-mode and setting the burst clock rate is still required for those users. If the burst clock is not present, change the error message to dev_info indicating the clock use the pixel clock. Signed-off-by: Adam Ford <aford173@gmail.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # imx8mm-icore Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-7-aford173@gmail.com
2023-05-26drm: bridge: samsung-dsim: Dynamically configure DPHY timingAdam Ford
The DPHY timings are currently hard coded. Since the input clock can be variable, the phy timings need to be variable too. To facilitate this, we need to cache the hs_clock based on what is generated from the PLL. The phy_mipi_dphy_get_default_config_for_hsclk function configures the DPHY timings in pico-seconds, and a small macro converts those timings into clock cycles based on the hs_clk. Signed-off-by: Adam Ford <aford173@gmail.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Michael Walle <michael@walle.cc> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # imx8mm-icore Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-6-aford173@gmail.com
2023-05-26drm: bridge: samsung-dsim: Select GENERIC_PHY_MIPI_DPHYAdam Ford
In order to support variable DPHY timings, it's necessary to enable GENERIC_PHY_MIPI_DPHY so phy_mipi_dphy_get_default_config can be used to determine the nominal values for a given resolution and refresh rate. Signed-off-by: Adam Ford <aford173@gmail.com> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-5-aford173@gmail.com
2023-05-26drm: bridge: samsung-dsim: Fetch pll-clock-frequency automaticallyAdam Ford
Make the pll-clock-frequency optional. If it's present, use it to maintain backwards compatibility with existing hardware. If it is absent, read clock rate of "sclk_mipi" to determine the rate. Since it can be optional, change the message from an error to dev_info. Signed-off-by: Adam Ford <aford173@gmail.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # imx8mm-icore Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-4-aford173@gmail.com
2023-05-26drm: bridge: samsung-dsim: Fix PMS Calculator on imx8m[mnp]Adam Ford
According to Table 13-45 of the i.MX8M Mini Reference Manual, the min and max values for M and the frequency range for the VCO_out calculator were incorrect. This information was contradicted in other parts of the mini, nano and plus manuals. After reaching out to my NXP Rep, when confronting him about discrepencies in the Nano manual, he responded with: "Yes it is definitely wrong, the one that is part of the NOTE in MIPI_DPHY_M_PLLPMS register table against PMS_P, PMS_M and PMS_S is not correct. I will report this to Doc team, the one customer should be take into account is the Table 13-40 DPHY PLL Parameters and the Note above." These updated values also match what is used in the NXP downstream kernel. To fix this, make new variables to hold the min and max values of m and the minimum value of VCO_out, and update the PMS calculator to use these new variables instead of using hard-coded values to keep the backwards compatibility with other parts using this driver. Fixes: 4d562c70c4dc ("drm: bridge: samsung-dsim: Add i.MX8M Mini/Nano support") Signed-off-by: Adam Ford <aford173@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # imx8mm-icore Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-3-aford173@gmail.com
2023-05-26drm: bridge: samsung-dsim: fix blanking packet size calculationLucas Stach
Scale the blanking packet sizes to match the ratio between HS clock and DPI interface clock. The controller seems to do internal scaling to the number of active lanes, so we don't take those into account. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Adam Ford <aford173@gmail.com> Tested-by: Chen-Yu Tsai <wenst@chromium.org> Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Tested-by: Jagan Teki <jagan@amarulasolutions.com> # imx8mm-icore Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230526030559.326566-2-aford173@gmail.com
2023-05-26drm/amdgpu: Fix no-procfs buildRob Clark
Fixes undefined symbol when PROC_FS is not enabled. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202305251510.U0R2as7k-lkp@intel.com/ Fixes: 376c25f8ca47 ("drm/amdgpu: Switch to fdinfo helper") Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: <alexander.deucher@amd.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230525155227.560094-1-robdclark@gmail.com
2023-05-26Merge tag 'drm-misc-next-2023-05-24' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-misc into drm-next drm-misc-next for v6.5: UAPI Changes: Cross-subsystem Changes: * fbdev: Move framebuffer I/O helpers to <asm/fb.h>, fix naming * firmware: Init sysfb as early as possible Core Changes: * DRM scheduler: Rename interfaces * ttm: Store ttm_device_funcs in .rodata * Replace strlcpy() with strscpy() in various places * Cleanups Driver Changes: * bridge: analogix: Fix endless probe loop; samsung-dsim: Support swapping clock/data polarity; tc358767: Use devm_ Cleanups; * gma500: Fix I/O-memory access * panel: boe-tv101wum-nl6: Improve initialization; sharp-ls043t1le001: Mode fixes; simple: Add BOE EV121WXM-N10-1850 plus DT bindings; AddS6D7AA0 plus DT bindings; Cleanups * ssd1307x: Style fixes * sun4i: Release clocks * msm: Fix I/O-memory access * nouveau: Cleanups * shmobile: Support Renesas; Enable framebuffer console; Various fixes * vkms: Fix RGB565 conversion Signed-off-by: Dave Airlie <airlied@redhat.com> # -----BEGIN PGP SIGNATURE----- # # iQEzBAABCAAdFiEEchf7rIzpz2NEoWjlaA3BHVMLeiMFAmRuBXEACgkQaA3BHVML # eiPLkwgAqCa7IuSDQhFMWVOI0EJpPPEHtHM8SCT1Pp8aniXk23Ru+E16c5zck53O # uf4tB+zoFrwD9npy60LIvX1OZmXS1KI4+ZO8itYFk6GSjxqbTWbjNFREBeWFdIpa # OG54nEqjFQZzEXY+gJYDpu5zqLy3xLN07ZgQkcMyfW3O/Krj4LLzfQTDl+jP5wkO # 7/v5Eu5CG5QjupMxIjb4e+ruUflp73pynur5bhZsfS1bPNGFTnxHlwg7NWnBXU7o # Hg23UYfCuZZWPmuO26EeUDlN33rCoaycmVgtpdZft2eznca5Mg74Loz1Qc3GQfjw # LLvKsAIlBcZvEIhElkzhtXitBoe7LQ== # =/9zV # -----END PGP SIGNATURE----- # gpg: Signature made Wed 24 May 2023 22:39:13 AEST # gpg: using RSA key 7217FBAC8CE9CF6344A168E5680DC11D530B7A23 # gpg: Can't check signature: No public key # Conflicts: # MAINTAINERS From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20230524124237.GA25416@linux-uq9g
2023-05-25drm/bridge: ti-sn65dsi83: Fix enable/disable flow to meet specFrieder Schrempf
The datasheet describes the following initialization flow including minimum delay times between each step: 1. DSI data lanes need to be in LP-11 and the clock lane in HS mode 2. toggle EN signal 3. initialize registers 4. enable PLL 5. soft reset 6. enable DSI stream 7. check error status register To meet this requirement we need to make sure the host bridge's pre_enable() is called first by using the pre_enable_prev_first flag. Furthermore we need to split enable() into pre_enable() which covers steps 2-5 from above and enable() which covers step 7 and is called after the host bridge's enable(). Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Fixes: ceb515ba29ba ("drm/bridge: ti-sn65dsi83: Add TI SN65DSI83 and SN65DSI84 driver") Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> #TQMa8MxML/MBa8Mx Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230503163313.2640898-3-frieder@fris.de
2023-05-25drm: bridge: samsung-dsim: Fix i.MX8M enable flow to meet specFrieder Schrempf
According to the documentation [1] the proper enable flow is: 1. Enable DSI link and keep data lanes in LP-11 (stop state) 2. Disable stop state to bring data lanes into HS mode Currently we do this all at once within enable(), which doesn't allow to meet the requirements of some downstream bridges. To fix this we now enable the DSI in pre_enable() and force it into stop state using the FORCE_STOP_STATE bit in the ESCMODE register until enable() is called where we reset the bit. We currently do this only for i.MX8M as Exynos uses a different init flow where samsung_dsim_init() is called from samsung_dsim_host_transfer(). [1] https://docs.kernel.org/gpu/drm-kms-helpers.html#mipi-dsi-bridge-operation Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> #TQMa8MxML/MBa8Mx Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230503163313.2640898-2-frieder@fris.de
2023-05-25drm/bridge: tc358767: explicitly set readable registersAlexander Stein
This map was created from register map from datasheet (section 5.1.2). Unused registers are stated by address, so they show up in debugfs as well. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230516071949.375264-1-alexander.stein@ew.tq-group.com
2023-05-24drm/doc: Relax fdinfo string constraintsRob Clark
The restriction about no whitespace, etc, really only applies to the usage of strings in keys. Values can contain anything (other than newline). Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-8-robdclark@gmail.com
2023-05-24drm/msm: Add memory stats to fdinfoRob Clark
Use the new helper to export stats about memory usage. v2: Drop unintended hunk v3: Rebase Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-7-robdclark@gmail.com
2023-05-24drm: Add fdinfo memory statsRob Clark
Add support to dump GEM stats to fdinfo. v2: Fix typos, change size units to match docs, use div_u64 v3: Do it in core v4: more kerneldoc v5: doc fixes v6: Actually use u64, bit more comment docs Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-6-robdclark@gmail.com
2023-05-24drm/amdgpu: Switch to fdinfo helperRob Clark
v2: Rebase on drm-misc-next Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Christian König <christian.koenig@amd.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-5-robdclark@gmail.com
2023-05-24drm/msm: Switch to fdinfo helperRob Clark
Now that we have a common helper, use it. v2: Rebase on drm-misc-next Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-4-robdclark@gmail.com
2023-05-24drm: Add common fdinfo helperRob Clark
Handle a bit of the boiler-plate in a single case, and make it easier to add some core tracked stats. This also ensures consistent behavior across drivers for standardised fields. v2: Update drm-usage-stats.rst, 64b client-id, rename drm_show_fdinfo v3: Rebase on drm-misc-next Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Rob Clark <robdclark@chromium.org> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-3-robdclark@gmail.com
2023-05-24drm/docs: Fix usage stats typosRob Clark
Fix a couple missing ':'s. Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Acked-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524155956.382440-2-robdclark@gmail.com
2023-05-24drm: shmobile: Make DRM_SHMOBILE visible on Renesas SoC platformsGeert Uytterhoeven
The LCD Controller supported by the drm-shmob driver is present on SuperH SH-Mobile SoCs, and on Renesas ARM SH/R-Mobile SoCs. Unfortunately its config option is not visible on either, so the user can never enable the support. Fix this by dropping the dependency on ARM (for SuperH), and by widening the dependency range to ARCH_RENESAS (for ARM). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/40ac67e0887d833ab4a3f1ec24828dedf0d8e108.1684854992.git.geert+renesas@glider.be
2023-05-24drm: shmobile: Add missing call to drm_fbdev_generic_setup()Geert Uytterhoeven
Set up generic fbdev emulation, to enable support for the Linux console. Use 16 as the preferred depth, as that is a good compromise between colorfulness and resource utilization, and the default of the fbdev driver. Suggested-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/c836938112fda21762bc9eb2741ccd0cbf1197ef.1684854992.git.geert+renesas@glider.be
2023-05-24drm: shmobile: Switch to drm_crtc_init_with_planes()Geert Uytterhoeven
The SH-Mobile DRM driver uses the legacy drm_crtc_init(), which advertizes only the formats in safe_modeset_formats[] (XR24 and AR24) as being supported. Switch to drm_crtc_init_with_planes(), and advertize all supported (A)RGB modes, so we can use RGB565 as the default mode for the console. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/2098de3d33bc479a8569da7dcbafdb685ff0a13a.1684854992.git.geert+renesas@glider.be
2023-05-24drm: shmobile: Add support for DRM_FORMAT_XRGB8888Geert Uytterhoeven
DRM_FORMAT_XRGB8888 aka XR24 is the modus francus of DRM, and should be supported by all drivers. The handling for DRM_FORMAT_XRGB8888 is similar to DRM_FORMAT_ARGB8888, just ignore the alpha channel. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/888cde6d1f70f1610931c4a89801060bb6765ff2.1684854992.git.geert+renesas@glider.be
2023-05-24drm: shmobile: Use %p4cc to print fourcc codesGeert Uytterhoeven
Replace the printing of hexadecimal fourcc format codes by pretty-printed format names, using the "%p4cc" format specifier. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/1a63e5afc8a85f7ae10f7f4395c2d065ba1aeb59.1684854992.git.geert+renesas@glider.be
2023-05-24dma-buf/sw_sync: Replace all non-returning strlcpy with strscpyAzeem Shaikh
strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return values were used, so direct replacement is safe. [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [2] https://github.com/KSPP/linux/issues/89 Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230523021943.2406847-1-azeemshaikh38@gmail.com
2023-05-24drm/panel: samsung-s6d7aa0: use pointer for drm_mode in panel desc structArtur Weber
Fixes compilation issues with older GCC versions and Clang after changes introduced in commit 6810bb390282 ("drm/panel: Add Samsung S6D7AA0 panel controller driver"). Tested with GCC 13.1.1, GCC 6.4.0 and Clang 16.0.3. Fixes the following errors with Clang: drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:312:14: error: initializer element is not a compile-time constant .drm_mode = s6d7aa0_lsl080al02_mode, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:415:14: error: initializer element is not a compile-time constant .drm_mode = s6d7aa0_lsl080al03_mode, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:443:14: error: initializer element is not a compile-time constant .drm_mode = s6d7aa0_ltl101at01_mode, ^~~~~~~~~~~~~~~~~~~~~~~ 3 errors generated. Fixes the following errors with GCC: drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:312:14: error: initializer element is not constant .drm_mode = s6d7aa0_lsl080al02_mode, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:312:14: note: (near initialization for 's6d7aa0_lsl080al02_desc.drm_mode') drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:415:14: error: initializer element is not constant .drm_mode = s6d7aa0_lsl080al03_mode, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:415:14: note: (near initialization for 's6d7aa0_lsl080al03_desc.drm_mode') drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:443:14: error: initializer element is not constant .drm_mode = s6d7aa0_ltl101at01_mode, ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c:443:14: note: (near initialization for 's6d7aa0_ltl101at01_desc.drm_mode') Reported-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/lkml/20230523180212.GA1401867@dev-arch.thelio-3990X Reported-by: kernelci.org bot <bot@kernelci.org> Link: https://lore.kernel.org/llvm/646c6def.a70a0220.58c1a.903d@mx.google.com Fixes: 6810bb390282 ("drm/panel: Add Samsung S6D7AA0 panel controller driver") Signed-off-by: Artur Weber <aweber.kernel@gmail.com> Acked-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230524084324.11840-1-aweber.kernel@gmail.com
2023-05-23drm/bridge: dw-hdmi: Replace all non-returning strlcpy with strscpyAzeem Shaikh
strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return values were used, so direct replacement is safe. [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [2] https://github.com/KSPP/linux/issues/89 Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Robert Foss <rfoss@kernel.org> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230522155210.2336690-1-azeemshaikh38@gmail.com
2023-05-23drm/bridge: anx7625: Prevent endless probe loopNícolas F. R. A. Prado
During probe, the driver registers i2c dummy devices and populates the aux bus, which registers a device for the panel. After doing that, the driver can still defer probe if needed. This ordering of operations is troublesome however, because the deferred probe work will retry probing all pending devices every time a new device is registered. Therefore, if modules need to be loaded in order to satisfy the dependencies for this driver to complete probe, the kernel will stall, since it'll keep trying to probe the anx7625 driver, but never succeed, given that modules would only be loaded after the deferred probe work completes. Two changes are required to avoid this issue: * Move of_find_mipi_dsi_host_by_node(), which can defer probe, to before anx7625_register_i2c_dummy_clients() and devm_of_dp_aux_populate_ep_devices(), which register devices. * Make use of the done_probing callback when populating the aux bus, so that the bridge registration is only done after the panel is probed. This is required because the panel might need to defer probe, but the aux bus population needs the i2c dummy devices working, so this call couldn't just be moved to an earlier point in probe. One caveat is that if the panel is described outside the aux bus, the probe loop issue can still happen, but we don't have a way to avoid it in that case since there's no callback available. With this patch applied, it's possible to boot on mt8192-asurada-spherion with CONFIG_DRM_ANALOGIX_ANX7625=y CONFIG_MTK_MMSYS=m CONFIG_BACKLIGHT_PWM=y and also with CONFIG_DRM_ANALOGIX_ANX7625=y CONFIG_MTK_MMSYS=y CONFIG_BACKLIGHT_PWM=m Fixes: adca62ec370c ("drm/bridge: anx7625: Support reading edid through aux channel") Fixes: 269332997a16 ("drm/bridge: anx7625: Return -EPROBE_DEFER if the dsi host was not found") Reported-by: "kernelci.org bot" <bot@kernelci.org> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Reviewed-by: Robert Foss <rfoss@kernel.org> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230518193902.891121-1-nfraprado@collabora.com
2023-05-23drm/msm: Use struct fb_info.screen_bufferThomas Zimmermann
The fbdev framebuffer is in system memory. Store the address in the field 'screen_buffer'. Fixes the following sparse warning. ../drivers/gpu/drm/msm/msm_fbdev.c:124:26: warning: incorrect type in assignment (different address spaces) ../drivers/gpu/drm/msm/msm_fbdev.c:124:26: expected char [noderef] __iomem *screen_base ../drivers/gpu/drm/msm/msm_fbdev.c:124:26: got void * Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230522191701.13406-1-tzimmermann@suse.de
2023-05-23drm/gma500: Clear fbdev framebuffer with fb_memset_io()Thomas Zimmermann
The fbdev framebuffer is I/O memory, so clear it with fb_memset_io(). Fixes the following sparse warning: ../drivers/gpu/drm/gma500/fbdev.c:234:20: warning: incorrect type in argument 1 (different address spaces) ../drivers/gpu/drm/gma500/fbdev.c:234:20: expected void *s ../drivers/gpu/drm/gma500/fbdev.c:234:20: got char [noderef] __iomem *screen_base Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230522190637.7039-1-tzimmermann@suse.de
2023-05-23drm/i915/mtl: end support for set caching ioctlFei Yang
The design is to keep Buffer Object's caching policy immutable through out its life cycle. This patch ends the support for set caching ioctl from MTL onward. While doing that we also set BO's to be 1-way coherent at creation time because GPU is no longer automatically snooping CPU cache. For userspace components needing to fine tune the caching policy for BO's, a follow up patch will extend the GEM_CREATE uAPI to allow them specify caching mode at BO creation time. Signed-off-by: Fei Yang <fei.yang@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519051103.3404990-2-fei.yang@intel.com
2023-05-22drm/i915/pmu: Export counters from all tilesTvrtko Ursulin
Start exporting frequency and RC6 counters from all tiles. Existing counters keep their names and config values and new one use the namespace added in the previous patch, with the "-gtN" added to their names. Interrupts counter is an odd one off. Because it is the global device counters (not only GT) we choose not to add per tile versions for now. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Aravind Iddamsetty <aravind.iddamsetty@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-8-umesh.nerlige.ramappa@intel.com
2023-05-22drm/i915/pmu: Prepare for multi-tile non-engine countersTvrtko Ursulin
Reserve some bits in the counter config namespace which will carry the tile id and prepare the code to handle this. No per tile counters have been added yet. v2: - Fix checkpatch issues - Use 4 bits for gt id in non-engine counters. Drop FIXME. - Set MAX GTs to 4. Drop FIXME. v3: (Ashutosh, Tvrtko) - Drop BUG_ON that would never fire - Make enable u64 - Pull in some code from next patch v4: Set I915_PMU_MAX_GTS to 2 (Tvrtko) v5: s/u64/u32 where needed (Ashutosh) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-7-umesh.nerlige.ramappa@intel.com
2023-05-22drm/i915/pmu: Add reference counting to the sampling timerTvrtko Ursulin
We do not want to have timers per tile and waste CPU cycles and energy via multiple wake-up sources, for a relatively un-important task of PMU sampling, so keeping a single timer works well. But we also do not want the first GT which goes idle to turn off the timer. Add some reference counting, via a mask of unparked GTs, to solve this. v2: Drop the check for unparked in i915_sample (Ashutosh) v3: Revert v2 (Tvrtko) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-6-umesh.nerlige.ramappa@intel.com
2023-05-22drm/i915/pmu: Transform PMU parking code to be GT basedTvrtko Ursulin
Trivial prep work for full multi-tile enablement later. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-5-umesh.nerlige.ramappa@intel.com
2023-05-22drm/i915/pmu: Skip sampling engines with no enabled countersTvrtko Ursulin
As we have more and more engines do not waste time sampling the ones no- one is monitoring. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-4-umesh.nerlige.ramappa@intel.com
2023-05-22drm/i915/pmu: Support PMU for all enginesTvrtko Ursulin
Given how the metrics are already exported, we also need to run sampling over engines from all GTs. Problem of GT frequencies is left for later. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-3-umesh.nerlige.ramappa@intel.com
2023-05-22drm/i915/pmu: Change bitmask of enabled events to u32Tvrtko Ursulin
Having it as u64 was a confusing (but harmless) mistake. Also add some asserts to make sure the internal field does not overflow in the future. v2: Fix WARN_ON firing for INTERRUPT event (Umesh) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230519154946.3751971-2-umesh.nerlige.ramappa@intel.com
2023-05-22drm/nouveau/acr/ga102: set variable ga102_gsps storage-class-specifier to staticTom Rix
smatch reports drivers/gpu/drm/nouveau/nvkm/subdev/gsp/ga102.c:49:1: warning: symbol 'ga102_gsps' was not declared. Should it be static? This variable is only used in its defining file, so it should be static Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Karol Herbst <kherbst@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230517133112.873856-1-trix@redhat.com
2023-05-22drm/nouveau: constify pointers to hwmon_channel_infoKrzysztof Kozlowski
Statically allocated array of pointers to hwmon_channel_info can be made const for safety. Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230511175443.281970-1-krzysztof.kozlowski@linaro.org
2023-05-22drm/nouveau: dispnv50: fix missing-prototypes warningArnd Bergmann
nv50_display_create() is declared in another header, along with a couple of declarations that are now outdated: drivers/gpu/drm/nouveau/dispnv50/disp.c:2517:1: error: no previous prototype for 'nv50_display_create' Fixes: ba801ef068c1 ("drm/nouveau/kms: display destroy/init/fini hooks can be static") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Karol Herbst <kherbst@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230417210329.2469722-1-arnd@kernel.org
2023-05-22drm: bridge: samsung-dsim: Implement support for clock/data polarity swapMarek Vasut
Implement support for DSI clock and data lane DN/DP polarity swap by means of decoding 'lane-polarities' DT property. The controller does support DN/DP swap of clock lane and all data lanes, the controller does not support polarity swap of individual data lane bundles, add a check which verifies all data lanes have the same polarity. This has been validated on an imx8mm board that actually has the MIPI DSI clock lanes inverted. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Fabio Estevam <festevam@denx.de> Reviewed-by: Jagan Teki <jagan@amarulasolutions.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230514114625.98372-2-festevam@gmail.com
2023-05-22dt-bindings: samsung,mipi-dsim: Add 'lane-polarities'Fabio Estevam
The Samsung DSIM IP block allows the inversion of the clock and data lanes. Add an optional property called 'lane-polarities' that describes the polarities of the MIPI DSI clock and data lanes. This property is useful for properly describing the hardware when the board designer decided to switch the polarities of the MIPI DSI clock and/or data lanes. Signed-off-by: Fabio Estevam <festevam@denx.de> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230514114625.98372-1-festevam@gmail.com
2023-05-22MAINTAINERS: Add entry for Samsung S6D7AA0 LCD panel controller driverArtur Weber
Add myself as maintainer of the Samsung S6D7AA0 panel driver. Signed-off-by: Artur Weber <aweber.kernel@gmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230519170354.29610-4-aweber.kernel@gmail.com
2023-05-22drm/panel: Add Samsung S6D7AA0 panel controller driverArtur Weber
Initial driver for S6D7AA0-controlled panels. Currently, the following panels are supported: - S6D7AA0-LSL080AL02 (Samsung Galaxy Tab 3 8.0) - S6D7AA0-LSL080AL03 (Samsung Galaxy Tab A 8.0 2015) - S6D7AA0-LTL101AT01 (Samsung Galaxy Tab A 9.7 2015) It should be possible to extend this driver to work with other panels using this IC. Tested-by: Nikita Travkin <nikita@trvn.ru> #ltl101at01 Signed-off-by: Artur Weber <aweber.kernel@gmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230519170354.29610-3-aweber.kernel@gmail.com
2023-05-22dt-bindings: display: panel: Add Samsung S6D7AA0 LCD panel controllerArtur Weber
Add bindings for the S6D7AA0 LCD panel controller, including the S6D7AA0-LSL080AL02 panel used in the Samsung Galaxy Tab 3 8.0 family of tablets, and the S6D7AA0-LSL080AL03 and S6D7AA0-LTL101AT01 panels used in the Samsung Galaxy Tab A 8.0 and 9.7 2015. Signed-off-by: Artur Weber <aweber.kernel@gmail.com> Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230519170354.29610-2-aweber.kernel@gmail.com
2023-05-19drm/i915: Fix memory leaks in function live_nop_switchCong Liu
Be sure to properly free the allocated memory before exiting the live_nop_switch function. Signed-off-by: Cong Liu <liucong2@kylinos.cn> Suggested-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230517050204.4111874-1-liucong2@kylinos.cn
generated by cgit (git 2.34.1) at 2025-07-16 18:25:32 +0000