From c5de248484afeb6de259239a23645790038d9df3 Mon Sep 17 00:00:00 2001 From: Ville Syrjälä Date: Mon, 20 Mar 2023 11:05:21 +0200 Subject: drm/i915/dpt: Add a modparam to disable DPT via the chicken bit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add i915.enable_dpt modparam to allow disabling the DPT usage in hardware via the chicken bit. Useful when debugging potential DPT issues. Quickly smoke tested on ADL. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20230320090522.9909-6-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila --- drivers/gpu/drm/i915/display/intel_fb.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/i915/display/intel_fb.h') diff --git a/drivers/gpu/drm/i915/display/intel_fb.h b/drivers/gpu/drm/i915/display/intel_fb.h index 4662b812b934..e85167d6bc34 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.h +++ b/drivers/gpu/drm/i915/display/intel_fb.h @@ -92,6 +92,7 @@ intel_user_framebuffer_create(struct drm_device *dev, struct drm_file *filp, const struct drm_mode_fb_cmd2 *user_mode_cmd); +bool intel_fb_modifier_uses_dpt(struct drm_i915_private *i915, u64 modifier); bool intel_fb_uses_dpt(const struct drm_framebuffer *fb); #endif /* __INTEL_FB_H__ */ -- cgit