Re: [PATCH] drm/i915/display: enable ccs modifiers on dg2

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Thu, Apr 23, 2026 at 01:17:39PM +0300, Juha-Pekka Heikkila wrote:
> Since Xe driver aux ccs enablement dg2 ccs modifiers have been
> disabled on both Xe and i915 drivers. Here allow dg2 to use
> ccs again for framebuffers.

How did CI not catch this? Or did it?

> 
> Fixes: 6a99e91 ("drm/i915/display: Detect AuxCCS support via display parent interface")
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
> ---
>  drivers/gpu/drm/i915/i915_driver.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
> index d31819758f3d..7a73461d398a 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -54,9 +54,11 @@
>  #include "display/intel_bw.h"
>  #include "display/intel_cdclk.h"
>  #include "display/intel_crtc.h"
> +#include "display/intel_display_core.h"
>  #include "display/intel_display_device.h"
>  #include "display/intel_display_driver.h"
>  #include "display/intel_display_power.h"
> +#include "display/intel_display_types.h"
>  #include "display/intel_dmc.h"
>  #include "display/intel_dp.h"
>  #include "display/intel_dpt.h"
> @@ -749,8 +751,9 @@ static void fence_priority_display(struct dma_fence *fence)
>  static bool has_auxccs(struct drm_device *drm)
>  {
>  	struct drm_i915_private *i915 = to_i915(drm);
> +	struct intel_display *display = i915->display;
>  
> -	return IS_GRAPHICS_VER(i915, 9, 12) ||
> +	return IS_DISPLAY_VER(display, 9, 12) ||
>  	       IS_ALDERLAKE_P(i915) ||
>  	       IS_METEORLAKE(i915);
>  }
> -- 
> 2.43.0

-- 
Ville Syrjälä
Intel