On 22.02.2018 04:39, Srinivas, Vidya wrote:
-----Original Message-----
From: Juha-Pekka Heikkila [mailto:juhapekka.heikkila@xxxxxxxxx]
Sent: Wednesday, February 21, 2018 7:52 PM
To: Srinivas, Vidya <vidya.srinivas@xxxxxxxxx>; intel-
gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH 13/16] drm/i915: Add NV12 as supported
format for primary plane
On 21.02.2018 12:20, Vidya Srinivas wrote:
From: Chandra Konduru <chandra.konduru@xxxxxxxxx>
This patch adds NV12 to list of supported formats for primary plane
v2: Rebased (Chandra Konduru)
v3: Rebased (me)
v4: Review comments by Ville addressed Removed the
skl_primary_formats_with_nv12 and added NV12 case in existing
skl_primary_formats
v5: Rebased (me)
v6: Missed the Tested-by/Reviewed-by in the previous series Adding the
same to commit message in this version.
v7: Review comments by Ville addressed
Restricting the NV12 for BXT and on PIPE A and B Rebased (me)
v8: Rebased (me)
Modified restricting the NV12 support for both BXT and KBL.
v9: Rebased (me)
v10: Addressed review comments from Maarten.
Adding NV12 inside skl_primary_formats itself.
v11: Adding Reviewed By tag from Shashank Sharma
Tested-by: Clinton Taylor <clinton.a.taylor@xxxxxxxxx>
Reviewed-by: Clinton Taylor <clinton.a.taylor@xxxxxxxxx>
Reviewed-by: Shashank Sharma <shashank.sharma@xxxxxxxxx>
Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@xxxxxxxxx>
Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 142dfe0..1870366 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -86,6 +86,7 @@ static const uint32_t skl_primary_formats[] = {
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
+ DRM_FORMAT_NV12,
};
static const uint64_t skl_format_modifiers_noccs[] = { @@ -13282,6
+13283,10 @@ intel_primary_plane_create(struct drm_i915_private
*dev_priv, enum pipe pipe)
intel_primary_formats = skl_primary_formats;
num_formats = ARRAY_SIZE(skl_primary_formats);
+ if ((INTEL_GEN(dev_priv) == 9 && pipe == PIPE_C) &&
+ !IS_GEMINILAKE(dev_priv))
+ num_formats -= 1;
This doesn't look future proof solution. This creates invisible dependency
where it is required NV12 is last item in list of formats.
Initially we had a different array for this. But as a part of one of the review
comments, I made this change.
I did see Maarten's comment on your older patch. In my opinion having
two lists would be more clear. Regardless of opinions on which is better
you maybe anyway want to reconsider this piece of code as this expose
NV12 also for Skylake platform.
+
if (skl_plane_has_ccs(dev_priv, pipe, PLANE_PRIMARY))
modifiers = skl_format_modifiers_ccs;
else
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