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authorDave Airlie <airlied@redhat.com>2021-06-11 10:45:27 +1000
committerDave Airlie <airlied@redhat.com>2021-06-11 10:46:01 +1000
commit43f44f5bd1970fafb259152e1c9d8e6daf0f362d (patch)
treeb15a3e55ef02521405d3c3f58615953c5f4380d0 /drivers/gpu
parent614124bea77e452aa6df7a8714e8bc820b489922 (diff)
parent170b763597d3a0a79f135e4d83a38462c3964fdf (diff)
Merge tag 'drm-msm-fixes-2021-06-10' of https://gitlab.freedesktop.org/drm/msm into drm-fixes
- NULL ptr deref fix - CP_PROTECT reg programming fix - incorrect register shift fix - DSI blank screen fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rob Clark <robdclark@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvbcz0=QxGYnX9u7cD1SCvFSx20dzrZuOccjtRRBTJd5Q@mail.gmail.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gpu.c155
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gpu.h2
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c1
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c1
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c7
5 files changed, 124 insertions, 42 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index b4d8e1b01ee4..f6c1b62b901e 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -157,7 +157,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
* GPU registers so we need to add 0x1a800 to the register value on A630
* to get the right value from PM4.
*/
- get_stats_counter(ring, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L + 0x1a800,
+ get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO,
rbmemptr_stats(ring, index, alwayson_start));
/* Invalidate CCU depth and color */
@@ -187,7 +187,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP_0_LO,
rbmemptr_stats(ring, index, cpcycles_end));
- get_stats_counter(ring, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L + 0x1a800,
+ get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO,
rbmemptr_stats(ring, index, alwayson_end));
/* Write the fence to the scratch register */
@@ -206,8 +206,8 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit)
OUT_RING(ring, submit->seqno);
trace_msm_gpu_submit_flush(submit,
- gmu_read64(&a6xx_gpu->gmu, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L,
- REG_A6XX_GMU_ALWAYS_ON_COUNTER_H));
+ gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO,
+ REG_A6XX_CP_ALWAYS_ON_COUNTER_HI));
a6xx_flush(gpu, ring);
}
@@ -462,6 +462,113 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state)
gpu_write(gpu, REG_A6XX_RBBM_CLOCK_CNTL, state ? clock_cntl_on : 0);
}
+/* For a615, a616, a618, A619, a630, a640 and a680 */
+static const u32 a6xx_protect[] = {
+ A6XX_PROTECT_RDONLY(0x00000, 0x04ff),
+ A6XX_PROTECT_RDONLY(0x00501, 0x0005),
+ A6XX_PROTECT_RDONLY(0x0050b, 0x02f4),
+ A6XX_PROTECT_NORDWR(0x0050e, 0x0000),
+ A6XX_PROTECT_NORDWR(0x00510, 0x0000),
+ A6XX_PROTECT_NORDWR(0x00534, 0x0000),
+ A6XX_PROTECT_NORDWR(0x00800, 0x0082),
+ A6XX_PROTECT_NORDWR(0x008a0, 0x0008),
+ A6XX_PROTECT_NORDWR(0x008ab, 0x0024),
+ A6XX_PROTECT_RDONLY(0x008de, 0x00ae),
+ A6XX_PROTECT_NORDWR(0x00900, 0x004d),
+ A6XX_PROTECT_NORDWR(0x0098d, 0x0272),
+ A6XX_PROTECT_NORDWR(0x00e00, 0x0001),
+ A6XX_PROTECT_NORDWR(0x00e03, 0x000c),
+ A6XX_PROTECT_NORDWR(0x03c00, 0x00c3),
+ A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff),
+ A6XX_PROTECT_NORDWR(0x08630, 0x01cf),
+ A6XX_PROTECT_NORDWR(0x08e00, 0x0000),
+ A6XX_PROTECT_NORDWR(0x08e08, 0x0000),
+ A6XX_PROTECT_NORDWR(0x08e50, 0x001f),
+ A6XX_PROTECT_NORDWR(0x09624, 0x01db),
+ A6XX_PROTECT_NORDWR(0x09e70, 0x0001),
+ A6XX_PROTECT_NORDWR(0x09e78, 0x0187),
+ A6XX_PROTECT_NORDWR(0x0a630, 0x01cf),
+ A6XX_PROTECT_NORDWR(0x0ae02, 0x0000),
+ A6XX_PROTECT_NORDWR(0x0ae50, 0x032f),
+ A6XX_PROTECT_NORDWR(0x0b604, 0x0000),
+ A6XX_PROTECT_NORDWR(0x0be02, 0x0001),
+ A6XX_PROTECT_NORDWR(0x0be20, 0x17df),
+ A6XX_PROTECT_NORDWR(0x0f000, 0x0bff),
+ A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff),
+ A6XX_PROTECT_NORDWR(0x11c00, 0x0000), /* note: infinite range */
+};
+
+/* These are for a620 and a650 */
+static const u32 a650_protect[] = {
+ A6XX_PROTECT_RDONLY(0x00000, 0x04ff),
+ A6XX_PROTECT_RDONLY(0x00501, 0x0005),
+ A6XX_PROTECT_RDONLY(0x0050b, 0x02f4),
+ A6XX_PROTECT_NORDWR(0x0050e, 0x0000),
+ A6XX_PROTECT_NORDWR(0x00510, 0x0000),
+ A6XX_PROTECT_NORDWR(0x00534, 0x0000),
+ A6XX_PROTECT_NORDWR(0x00800, 0x0082),
+ A6XX_PROTECT_NORDWR(0x008a0, 0x0008),
+ A6XX_PROTECT_NORDWR(0x008ab, 0x0024),
+ A6XX_PROTECT_RDONLY(0x008de, 0x00ae),
+ A6XX_PROTECT_NORDWR(0x00900, 0x004d),
+ A6XX_PROTECT_NORDWR(0x0098d, 0x0272),
+ A6XX_PROTECT_NORDWR(0x00e00, 0x0001),
+ A6XX_PROTECT_NORDWR(0x00e03, 0x000c),
+ A6XX_PROTECT_NORDWR(0x03c00, 0x00c3),
+ A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff),
+ A6XX_PROTECT_NORDWR(0x08630, 0x01cf),
+ A6XX_PROTECT_NORDWR(0x08e00, 0x0000),
+ A6XX_PROTECT_NORDWR(0x08e08, 0x0000),
+ A6XX_PROTECT_NORDWR(0x08e50, 0x001f),
+ A6XX_PROTECT_NORDWR(0x08e80, 0x027f),
+ A6XX_PROTECT_NORDWR(0x09624, 0x01db),
+ A6XX_PROTECT_NORDWR(0x09e60, 0x0011),
+ A6XX_PROTECT_NORDWR(0x09e78, 0x0187),
+ A6XX_PROTECT_NORDWR(0x0a630, 0x01cf),
+ A6XX_PROTECT_NORDWR(0x0ae02, 0x0000),
+ A6XX_PROTECT_NORDWR(0x0ae50, 0x032f),
+ A6XX_PROTECT_NORDWR(0x0b604, 0x0000),
+ A6XX_PROTECT_NORDWR(0x0b608, 0x0007),
+ A6XX_PROTECT_NORDWR(0x0be02, 0x0001),
+ A6XX_PROTECT_NORDWR(0x0be20, 0x17df),
+ A6XX_PROTECT_NORDWR(0x0f000, 0x0bff),
+ A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff),
+ A6XX_PROTECT_NORDWR(0x18400, 0x1fff),
+ A6XX_PROTECT_NORDWR(0x1a800, 0x1fff),
+ A6XX_PROTECT_NORDWR(0x1f400, 0x0443),
+ A6XX_PROTECT_RDONLY(0x1f844, 0x007b),
+ A6XX_PROTECT_NORDWR(0x1f887, 0x001b),
+ A6XX_PROTECT_NORDWR(0x1f8c0, 0x0000), /* note: infinite range */
+};
+
+static void a6xx_set_cp_protect(struct msm_gpu *gpu)
+{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ const u32 *regs = a6xx_protect;
+ unsigned i, count = ARRAY_SIZE(a6xx_protect), count_max = 32;
+
+ BUILD_BUG_ON(ARRAY_SIZE(a6xx_protect) > 32);
+ BUILD_BUG_ON(ARRAY_SIZE(a650_protect) > 48);
+
+ if (adreno_is_a650(adreno_gpu)) {
+ regs = a650_protect;
+ count = ARRAY_SIZE(a650_protect);
+ count_max = 48;
+ }
+
+ /*
+ * Enable access protection to privileged registers, fault on an access
+ * protect violation and select the last span to protect from the start
+ * address all the way to the end of the register address space
+ */
+ gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, BIT(0) | BIT(1) | BIT(3));
+
+ for (i = 0; i < count - 1; i++)
+ gpu_write(gpu, REG_A6XX_CP_PROTECT(i), regs[i]);
+ /* last CP_PROTECT to have "infinite" length on the last entry */
+ gpu_write(gpu, REG_A6XX_CP_PROTECT(count_max - 1), regs[i]);
+}
+
static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
@@ -489,7 +596,7 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
rgb565_predicator << 11 | amsbc << 4 | lower_bit << 1);
gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, lower_bit << 1);
gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL,
- uavflagprd_inv >> 4 | lower_bit << 1);
+ uavflagprd_inv << 4 | lower_bit << 1);
gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, lower_bit << 21);
}
@@ -776,41 +883,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu)
}
/* Protect registers from the CP */
- gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, 0x00000003);
-
- gpu_write(gpu, REG_A6XX_CP_PROTECT(0),
- A6XX_PROTECT_RDONLY(0x600, 0x51));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(1), A6XX_PROTECT_RW(0xae50, 0x2));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(2), A6XX_PROTECT_RW(0x9624, 0x13));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(3), A6XX_PROTECT_RW(0x8630, 0x8));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(4), A6XX_PROTECT_RW(0x9e70, 0x1));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(5), A6XX_PROTECT_RW(0x9e78, 0x187));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(6), A6XX_PROTECT_RW(0xf000, 0x810));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(7),
- A6XX_PROTECT_RDONLY(0xfc00, 0x3));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(8), A6XX_PROTECT_RW(0x50e, 0x0));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(9), A6XX_PROTECT_RDONLY(0x50f, 0x0));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(10), A6XX_PROTECT_RW(0x510, 0x0));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(11),
- A6XX_PROTECT_RDONLY(0x0, 0x4f9));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(12),
- A6XX_PROTECT_RDONLY(0x501, 0xa));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(13),
- A6XX_PROTECT_RDONLY(0x511, 0x44));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(14), A6XX_PROTECT_RW(0xe00, 0xe));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(15), A6XX_PROTECT_RW(0x8e00, 0x0));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(16), A6XX_PROTECT_RW(0x8e50, 0xf));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(17), A6XX_PROTECT_RW(0xbe02, 0x0));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(18),
- A6XX_PROTECT_RW(0xbe20, 0x11f3));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(19), A6XX_PROTECT_RW(0x800, 0x82));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(20), A6XX_PROTECT_RW(0x8a0, 0x8));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(21), A6XX_PROTECT_RW(0x8ab, 0x19));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(22), A6XX_PROTECT_RW(0x900, 0x4d));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(23), A6XX_PROTECT_RW(0x98d, 0x76));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(24),
- A6XX_PROTECT_RDONLY(0x980, 0x4));
- gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0));
+ a6xx_set_cp_protect(gpu);
/* Enable expanded apriv for targets that support it */
if (gpu->hw_apriv) {
@@ -1211,7 +1284,7 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu)
if (ret)
return ret;
- if (adreno_gpu->base.hw_apriv || a6xx_gpu->has_whereami)
+ if (a6xx_gpu->shadow_bo)
for (i = 0; i < gpu->nr_rings; i++)
a6xx_gpu->shadow[i] = 0;
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
index ce0610c5256f..bb544dfe5737 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
@@ -44,7 +44,7 @@ struct a6xx_gpu {
* REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len
* registers starting at _reg.
*/
-#define A6XX_PROTECT_RW(_reg, _len) \
+#define A6XX_PROTECT_NORDWR(_reg, _len) \
((1 << 31) | \
(((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
index 34bc93548fcf..657778889d35 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c
@@ -432,6 +432,7 @@ static unsigned long dsi_pll_10nm_vco_recalc_rate(struct clk_hw *hw,
pll_freq += div_u64(tmp64, multiplier);
vco_rate = pll_freq;
+ pll_10nm->vco_current_rate = vco_rate;
DBG("DSI PLL%d returning vco rate = %lu, dec = %x, frac = %x",
pll_10nm->phy->id, (unsigned long)vco_rate, dec, frac);
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index e76ce40a12ab..6f96fbac8282 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -460,6 +460,7 @@ static unsigned long dsi_pll_7nm_vco_recalc_rate(struct clk_hw *hw,
pll_freq += div_u64(tmp64, multiplier);
vco_rate = pll_freq;
+ pll_7nm->vco_current_rate = vco_rate;
DBG("DSI PLL%d returning vco rate = %lu, dec = %x, frac = %x",
pll_7nm->phy->id, (unsigned long)vco_rate, dec, frac);
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 56df86e5f740..369d91e6361e 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -1241,6 +1241,13 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev,
to_msm_bo(obj)->vram_node = &vma->node;
+ /* Call chain get_pages() -> update_inactive() tries to
+ * access msm_obj->mm_list, but it is not initialized yet.
+ * To avoid NULL pointer dereference error, initialize
+ * mm_list to be empty.
+ */
+ INIT_LIST_HEAD(&msm_obj->mm_list);
+
msm_gem_lock(obj);
pages = get_pages(obj);
msm_gem_unlock(obj);