[RFC PATCH v2 2/3] drm: set fb_modifiers_not_supported flag in legacy drivers

[Tomohito Esaki]

Set fb_modifiers_not_supported flag in legacy drivers whose planes
support non-linear layouts but does not support modifiers, and replace
allow_fb_modifiers with fb_modifiers_not_supported.

Signed-off-by: Tomohito Esaki <etom@xxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c | 6 +++---
 drivers/gpu/drm/amd/amdgpu/dce_v10_0.c      | 2 ++
 drivers/gpu/drm/amd/amdgpu/dce_v11_0.c      | 2 ++
 drivers/gpu/drm/amd/amdgpu/dce_v6_0.c       | 1 +
 drivers/gpu/drm/amd/amdgpu/dce_v8_0.c       | 2 ++
 drivers/gpu/drm/nouveau/nouveau_display.c   | 6 ++++--
 drivers/gpu/drm/radeon/radeon_display.c     | 2 ++
 7 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index dc50c05f23fc..cbaea9c6cfda 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -958,7 +958,7 @@ static int amdgpu_display_verify_sizes(struct amdgpu_framebuffer *rfb)
 	int ret;
 	unsigned int i, block_width, block_height, block_size_log2;
 
-	if (!rfb->base.dev->mode_config.allow_fb_modifiers)
+	if (rfb->base.dev->mode_config.fb_modifiers_not_supported)
 		return 0;
 
 	for (i = 0; i < format_info->num_planes; ++i) {
@@ -1145,7 +1145,7 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev,
 	if (ret)
 		return ret;
 
-	if (!dev->mode_config.allow_fb_modifiers) {
+	if (dev->mode_config.fb_modifiers_not_supported) {
 		drm_WARN_ONCE(dev, adev->family >= AMDGPU_FAMILY_AI,
 			      "GFX9+ requires FB check based on format modifier\n");
 		ret = check_tiling_flags_gfx6(rfb);
@@ -1153,7 +1153,7 @@ int amdgpu_display_framebuffer_init(struct drm_device *dev,
 			return ret;
 	}
 
-	if (dev->mode_config.allow_fb_modifiers &&
+	if (!dev->mode_config.fb_modifiers_not_supported &&
 	    !(rfb->base.flags & DRM_MODE_FB_MODIFIERS)) {
 		ret = convert_tiling_flags_to_modifier(rfb);
 		if (ret) {
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index d1570a462a51..fb61c0814115 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -2798,6 +2798,8 @@ static int dce_v10_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
+	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
+
 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 
 	r = amdgpu_display_modeset_create_props(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 18a7b3bd633b..17942a11366d 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -2916,6 +2916,8 @@ static int dce_v11_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
+	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
+
 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 
 	r = amdgpu_display_modeset_create_props(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index c7803dc2b2d5..2ec99ec8e1a3 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2674,6 +2674,7 @@ static int dce_v6_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.max_height = 16384;
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
+	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 
 	r = amdgpu_display_modeset_create_props(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index b200b9e722d9..8369336cec90 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2699,6 +2699,8 @@ static int dce_v8_0_sw_init(void *handle)
 	adev_to_drm(adev)->mode_config.preferred_depth = 24;
 	adev_to_drm(adev)->mode_config.prefer_shadow = 1;
 
+	adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
+
 	adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
 
 	r = amdgpu_display_modeset_create_props(adev);
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 929de41c281f..1ecad7fa3e8a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -711,10 +711,12 @@ nouveau_display_create(struct drm_device *dev)
 				     &disp->disp);
 		if (ret == 0) {
 			nouveau_display_create_properties(dev);
-			if (disp->disp.object.oclass < NV50_DISP)
+			if (disp->disp.object.oclass < NV50_DISP) {
+				dev->mode_config.fb_modifiers_not_supported = true;
 				ret = nv04_display_create(dev);
-			else
+			} else {
 				ret = nv50_display_create(dev);
+			}
 		}
 	} else {
 		ret = 0;
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 573154268d43..b9a07677a71e 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -1596,6 +1596,8 @@ int radeon_modeset_init(struct radeon_device *rdev)
 	rdev->ddev->mode_config.preferred_depth = 24;
 	rdev->ddev->mode_config.prefer_shadow = 1;
 
+	rdev->ddev->mode_config.fb_modifiers_not_supported = true;
+
 	rdev->ddev->mode_config.fb_base = rdev->mc.aper_base;
 
 	ret = radeon_modeset_create_props(rdev);
-- 
2.25.1