diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0515-drm-vc4-Expose-the-format-modifiers-for-firmware-kms.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0515-drm-vc4-Expose-the-format-modifiers-for-firmware-kms.patch | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0515-drm-vc4-Expose-the-format-modifiers-for-firmware-kms.patch b/target/linux/bcm27xx/patches-4.19/950-0515-drm-vc4-Expose-the-format-modifiers-for-firmware-kms.patch deleted file mode 100644 index 7eb5a95f68..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0515-drm-vc4-Expose-the-format-modifiers-for-firmware-kms.patch +++ /dev/null @@ -1,80 +0,0 @@ -From c7fc1e1cf922bd548ac983ef48b883b6f83e35ae Mon Sep 17 00:00:00 2001 -From: Eric Anholt <eric@anholt.net> -Date: Mon, 18 Mar 2019 16:38:32 -0700 -Subject: [PATCH] drm/vc4: Expose the format modifiers for firmware - kms. - -This should technically not expose VC4_T_TILED on pi4. However, if we -don't expose anything, then userspace will assume that display can -handle whatever modifiers 3d can do (UIF on 2711). By exposing a -list, that will get intersected with what 3D can do so that we get T -tiling for display on 2710 and linear on 2711. - -Signed-off-by: Eric Anholt <eric@anholt.net> ---- - drivers/gpu/drm/vc4/vc4_firmware_kms.c | 33 +++++++++++++++++++++++++- - 1 file changed, 32 insertions(+), 1 deletion(-) - ---- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c -+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c -@@ -281,6 +281,27 @@ static void vc4_plane_destroy(struct drm - drm_plane_cleanup(plane); - } - -+static bool vc4_fkms_format_mod_supported(struct drm_plane *plane, -+ uint32_t format, -+ uint64_t modifier) -+{ -+ /* Support T_TILING for RGB formats only. */ -+ switch (format) { -+ case DRM_FORMAT_XRGB8888: -+ case DRM_FORMAT_ARGB8888: -+ switch (modifier) { -+ case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED: -+ case DRM_FORMAT_MOD_LINEAR: -+ case DRM_FORMAT_MOD_BROADCOM_UIF: -+ return true; -+ default: -+ return false; -+ } -+ default: -+ return false; -+ } -+} -+ - static const struct drm_plane_funcs vc4_plane_funcs = { - .update_plane = drm_atomic_helper_update_plane, - .disable_plane = drm_atomic_helper_disable_plane, -@@ -289,6 +310,7 @@ static const struct drm_plane_funcs vc4_ - .reset = drm_atomic_helper_plane_reset, - .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, -+ .format_mod_supported = vc4_fkms_format_mod_supported, - }; - - static const struct drm_plane_helper_funcs vc4_primary_plane_helper_funcs = { -@@ -316,6 +338,14 @@ static struct drm_plane *vc4_fkms_plane_ - u32 argb8888 = DRM_FORMAT_ARGB8888; - int ret = 0; - bool primary = (type == DRM_PLANE_TYPE_PRIMARY); -+ static const uint64_t modifiers[] = { -+ DRM_FORMAT_MOD_LINEAR, -+ /* VC4_T_TILED should come after linear, because we -+ * would prefer to scan out linear (less bus traffic). -+ */ -+ DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED, -+ DRM_FORMAT_MOD_INVALID, -+ }; - - vc4_plane = devm_kzalloc(dev->dev, sizeof(*vc4_plane), - GFP_KERNEL); -@@ -327,7 +357,8 @@ static struct drm_plane *vc4_fkms_plane_ - plane = &vc4_plane->base; - ret = drm_universal_plane_init(dev, plane, 0xff, - &vc4_plane_funcs, -- primary ? &xrgb8888 : &argb8888, 1, NULL, -+ primary ? &xrgb8888 : &argb8888, 1, -+ modifiers, - type, primary ? "primary" : "cursor"); - - if (type == DRM_PLANE_TYPE_PRIMARY) { |