[Intel-gfx] [PATCH v3 1/2] drm/i915/skl+: Check for supported plane configuration in Interlace mode
Mahesh Kumar
mahesh1.kumar at intel.com
Sat Jul 1 04:05:12 UTC 2017
Hi,
On Friday 30 June 2017 05:56 PM, Ville Syrjälä wrote:
> On Fri, Jun 30, 2017 at 05:40:59PM +0530, Mahesh Kumar wrote:
>> In Gen9 platform Interlaced fetch mode doesn't support following plane
>> configuration:
>> - Y/Yf tiling
>> - 90/270 rotation
> The rotation check seems to be missing from the code?
90/270 rotation require Y/Yf tiling, so that will be automagically
handled as Y-tile case.
-Mahesh
>
>> - YUV420 hybrid planar source pixel formats.
>>
>> This patch adds check to fail the flip if any of the above configuration
>> is requested.
>>
>> Changes since V1:
>> - handle checks in intel_plane_atomic_check_with_state (ville)
>> - takeout plane scaler checks combile with pipe scaler in next patch
>> Changes since V2:
>> - No need to check for NV12 as it need scaling, so it will be rejected
>> by scaling check (ville)
>>
>> Signed-off-by: Mahesh Kumar <mahesh1.kumar at intel.com>
>> ---
>> drivers/gpu/drm/i915/intel_atomic_plane.c | 15 +++++++++++++++
>> 1 file changed, 15 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
>> index 4325cb0a04f5..ee76fab7bb6f 100644
>> --- a/drivers/gpu/drm/i915/intel_atomic_plane.c
>> +++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
>> @@ -114,6 +114,8 @@ int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state,
>> struct drm_i915_private *dev_priv = to_i915(plane->dev);
>> struct drm_plane_state *state = &intel_state->base;
>> struct intel_plane *intel_plane = to_intel_plane(plane);
>> + const struct drm_display_mode *adjusted_mode =
>> + &crtc_state->base.adjusted_mode;
>> int ret;
>>
>> /*
>> @@ -173,6 +175,19 @@ int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state,
>> if (ret)
>> return ret;
>>
>> + /*
>> + * Y-tiling is not supported in IF-ID Interlace mode in
>> + * GEN9 and above.
>> + */
>> + if (state->fb && INTEL_GEN(dev_priv) >= 9 && crtc_state->base.enable &&
>> + adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
>> + if (state->fb->modifier == I915_FORMAT_MOD_Y_TILED ||
>> + state->fb->modifier == I915_FORMAT_MOD_Yf_TILED) {
>> + DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n");
>> + return -EINVAL;
>> + }
>> + }
>> +
>> /* FIXME pre-g4x don't work like this */
>> if (intel_state->base.visible)
>> crtc_state->active_planes |= BIT(intel_plane->id);
>> --
>> 2.13.0
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