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From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
To: dri-devel@lists.freedesktop.org
Cc: daniel.vetter@ffwll.ch, zhan.liu@amd.com,
	amd-gfx@lists.freedesktop.org, alexander.deucher@amd.com,
	nicholas.kazlauskas@amd.com
Subject: [PATCH] drm: Check actual format for legacy pageflip.
Date: Sat,  2 Jan 2021 15:02:35 +0100	[thread overview]
Message-ID: <20210102140235.514039-1-bas@basnieuwenhuizen.nl> (raw)

With modifiers one can actually have different format_info structs
for the same format, which now matters for AMDGPU since we convert
implicit modifiers to explicit modifiers with multiple planes.

I checked other drivers and it doesn't look like they end up triggering
this case so I think this is safe to relax.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Fixes: 816853f9dc40 ("drm/amd/display: Set new format info for converted metadata.")
---
 drivers/gpu/drm/drm_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index e6231947f987..f5085990cfac 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1163,7 +1163,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	if (ret)
 		goto out;
 
-	if (old_fb->format != fb->format) {
+	if (old_fb->format->format != fb->format->format) {
 		DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n");
 		ret = -EINVAL;
 		goto out;
-- 
2.29.2

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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

WARNING: multiple messages have this Message-ID (diff)
From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
To: dri-devel@lists.freedesktop.org
Cc: mario.kleiner.de@gmail.com, daniel.vetter@ffwll.ch,
	zhan.liu@amd.com, amd-gfx@lists.freedesktop.org,
	Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>,
	alexander.deucher@amd.com, nicholas.kazlauskas@amd.com
Subject: [PATCH] drm: Check actual format for legacy pageflip.
Date: Sat,  2 Jan 2021 15:02:35 +0100	[thread overview]
Message-ID: <20210102140235.514039-1-bas@basnieuwenhuizen.nl> (raw)

With modifiers one can actually have different format_info structs
for the same format, which now matters for AMDGPU since we convert
implicit modifiers to explicit modifiers with multiple planes.

I checked other drivers and it doesn't look like they end up triggering
this case so I think this is safe to relax.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Fixes: 816853f9dc40 ("drm/amd/display: Set new format info for converted metadata.")
---
 drivers/gpu/drm/drm_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index e6231947f987..f5085990cfac 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1163,7 +1163,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
 	if (ret)
 		goto out;
 
-	if (old_fb->format != fb->format) {
+	if (old_fb->format->format != fb->format->format) {
 		DRM_DEBUG_KMS("Page flip is not allowed to change frame buffer format.\n");
 		ret = -EINVAL;
 		goto out;
-- 
2.29.2

_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx

             reply	other threads:[~2021-01-02 14:02 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-02 14:02 Bas Nieuwenhuizen [this message]
2021-01-02 14:02 ` [PATCH] drm: Check actual format for legacy pageflip Bas Nieuwenhuizen
2021-01-02 15:31 ` Mario Kleiner
2021-01-02 15:31   ` Mario Kleiner
2021-01-04 18:17   ` Bas Nieuwenhuizen
2021-01-04 18:17     ` Bas Nieuwenhuizen
2021-01-04 20:46     ` Liu, Zhan
2021-01-04 20:46       ` Liu, Zhan
2021-01-06 15:04       ` Liu, Zhan
2021-01-06 15:04         ` Liu, Zhan
2021-01-07 17:21         ` Liu, Zhan
2021-01-07 17:21           ` Liu, Zhan
2021-01-07 17:57           ` Mario Kleiner
2021-01-07 17:57             ` Mario Kleiner
2021-01-07 17:57   ` Daniel Vetter
2021-01-07 17:57     ` Daniel Vetter
2021-01-07 18:00     ` Mario Kleiner
2021-01-07 18:00       ` Mario Kleiner
2021-01-07 18:04       ` Daniel Vetter
2021-01-07 18:04         ` Daniel Vetter
2021-01-07 18:16         ` Mario Kleiner
2021-01-07 18:16           ` Mario Kleiner
2021-01-07 22:51           ` Daniel Vetter
2021-01-07 22:51             ` Daniel Vetter
2021-01-04 10:23 ` Pierre-Eric Pelloux-Prayer
2021-01-04 10:23   ` Pierre-Eric Pelloux-Prayer
2021-01-04 10:30 ` Christian König
2021-01-04 10:30   ` Christian König
2021-01-04 17:21 ` Alex Deucher
2021-01-04 17:21   ` Alex Deucher

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