[PATCH v8 2/8] drm/i915: Add support for async flips in I915
Karthik B S
karthik.b.s at intel.com
Wed Sep 16 12:38:30 UTC 2020
On 9/15/2020 7:18 PM, Ville Syrjälä wrote:
> On Mon, Sep 14, 2020 at 11:26:27AM +0530, Karthik B S wrote:
>> Set the Async Address Update Enable bit in plane ctl
>> when async flip is requested.
>>
>> v2: -Move the Async flip enablement to individual patch (Paulo)
>>
>> v3: -Rebased.
>>
>> v4: -Add separate plane hook for async flip case (Ville)
>>
>> v5: -Rebased.
>>
>> v6: -Move the plane hook to separate patch. (Paulo)
>> -Remove the early return in skl_plane_ctl. (Paulo)
>>
>> v7: -Move async address update enable to skl_plane_ctl_crtc() (Ville)
>>
>> v8: -Rebased.
>>
>> Signed-off-by: Karthik B S <karthik.b.s at intel.com>
>> Signed-off-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
>
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Thanks for the RB.
Thanks,
Karthik.B.S
>
>> ---
>> drivers/gpu/drm/i915/display/intel_display.c | 3 +++
>> drivers/gpu/drm/i915/i915_reg.h | 1 +
>> 2 files changed, 4 insertions(+)
>>
>> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
>> index 48712fb0a251..2902fefd217f 100644
>> --- a/drivers/gpu/drm/i915/display/intel_display.c
>> +++ b/drivers/gpu/drm/i915/display/intel_display.c
>> @@ -4785,6 +4785,9 @@ u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
>> struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
>> u32 plane_ctl = 0;
>>
>> + if (crtc_state->uapi.async_flip)
>> + plane_ctl |= PLANE_CTL_ASYNC_FLIP;
>> +
>> if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
>> return plane_ctl;
>>
>> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>> index 90a05e37ba2f..1c4ddd4deba0 100644
>> --- a/drivers/gpu/drm/i915/i915_reg.h
>> +++ b/drivers/gpu/drm/i915/i915_reg.h
>> @@ -6923,6 +6923,7 @@ enum {
>> #define PLANE_CTL_TILED_X (1 << 10)
>> #define PLANE_CTL_TILED_Y (4 << 10)
>> #define PLANE_CTL_TILED_YF (5 << 10)
>> +#define PLANE_CTL_ASYNC_FLIP (1 << 9)
>> #define PLANE_CTL_FLIP_HORIZONTAL (1 << 8)
>> #define PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE (1 << 4) /* TGL+ */
>> #define PLANE_CTL_ALPHA_MASK (0x3 << 4) /* Pre-GLK */
>> --
>> 2.22.0
>
More information about the dri-devel
mailing list