[PATCH v1 2/2] drm/komeda: Adds limitation check for AFBC wide block not support Rot90
Komeda series hardware doesn't support Rot90 for AFBC wide block. So
add limitation check to reject it if such configuration has been posted.
Signed-off-by: Lowry Li (Arm Technology China)
---
drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c | 15 +++
.../gpu/drm/arm/display/komeda/komeda_format_caps.c| 7 ++-
.../gpu/drm/arm/display/komeda/komeda_format_caps.h| 8 +++-
.../gpu/drm/arm/display/komeda/komeda_framebuffer.c| 18 +-
.../gpu/drm/arm/display/komeda/komeda_framebuffer.h| 5 +++--
.../gpu/drm/arm/display/komeda/komeda_pipeline_state.c | 8 +++-
drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 2 +-
7 files changed, 48 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
index 34506ef..9603de9 100644
--- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
@@ -494,11 +494,26 @@ static int d71_enum_resources(struct komeda_dev *mdev)
{__HW_ID(6, 7), 0/*DRM_FORMAT_YUV420_10BIT*/, 1,RICH,
Rot_ALL_H_V,LYT_NM, AFB_TH},
};
+static bool d71_format_mod_supported(const struct komeda_format_caps *caps,
+u32 layer_type, u64 modifier, u32 rot)
+{
+ uint64_t layout = modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK;
+
+ if ((layout == AFBC_FORMAT_MOD_BLOCK_SIZE_32x8) &&
+ drm_rotation_90_or_270(rot)) {
+ DRM_DEBUG_ATOMIC("D71 doesn't support ROT90 for WB-AFBC.\n");
+ return false;
+ }
+
+ return true;
+}
+
static void d71_init_fmt_tbl(struct komeda_dev *mdev)
{
struct komeda_format_caps_table *table = >fmt_tbl;
table->format_caps = d71_format_caps_table;
+ table->format_mod_supported = d71_format_mod_supported;
table->n_formats = ARRAY_SIZE(d71_format_caps_table);
}
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
index b219514..cd4d9f5 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
@@ -74,7 +74,8 @@
};
bool komeda_format_mod_supported(struct komeda_format_caps_table *table,
-u32 layer_type, u32 fourcc, u64 modifier)
+u32 layer_type, u32 fourcc, u64 modifier,
+u32 rot)
{
const struct komeda_format_caps *caps;
@@ -85,6 +86,10 @@ bool komeda_format_mod_supported(struct
komeda_format_caps_table *table,
if (!(caps->supported_layer_types & layer_type))
return false;
+ if (table->format_mod_supported)
+ return table->format_mod_supported(caps, layer_type, modifier,
+ rot);
+
return true;
}
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
index 96de22e..381e873 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
@@ -71,10 +71,15 @@ struct komeda_format_caps {
*
* @n_formats: the size of format_caps list.
* @format_caps: format_caps list.
+ * @format_mod_supported: Optional. Some HW may have special requirements or
+ * limitations which can not be described by format_caps, this func supply HW
+ * the ability to do the further HW specific check.
*/
struct komeda_format_caps_table {
u32 n_formats;
const struct komeda_format_caps *format_caps;
+ bool (*format_mod_supported)(const struct komeda_format_caps *caps,
+u32 layer_type, u64 modifier, u32 rot);
};
extern u64 komeda_supported_modifiers[];
@@ -100,6 +105,7 @@ u32 *komeda_get_layer_fourcc_list(struct
komeda_format_caps_table *table,
void komeda_put_fourcc_list(u32 *fourcc_list);
bool komeda_format_mod_supported(struct komeda_format_caps_table *table,
-u32 layer_type, u32 fourcc, u64 modifier);
+u32 layer_type, u32 fourcc, u64 modifier,
+u32 rot);
#endif
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
index f842c88..d5822a3 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
@@ -239,20 +239,20 @@ struct drm_framebuffer *
}
/* if the fb can be supported by a specific layer */
-bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type)
+bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type,
+ u32 rot)
{
struct drm_framebuffer *fb = >base;
struct komeda_dev
[PATCH v1 2/2] drm/komeda: Adds limitation check for AFBC wide block not support Rot90
Komeda series hardware doesn't support Rot90 for AFBC wide block. So
add limitation check to reject it if such configuration has been posted.
Signed-off-by: Lowry Li (Arm Technology China)
---
drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c | 15 +++
.../gpu/drm/arm/display/komeda/komeda_format_caps.c| 7 ++-
.../gpu/drm/arm/display/komeda/komeda_format_caps.h| 8 +++-
.../gpu/drm/arm/display/komeda/komeda_framebuffer.c| 18 +-
.../gpu/drm/arm/display/komeda/komeda_framebuffer.h| 5 +++--
.../gpu/drm/arm/display/komeda/komeda_pipeline_state.c | 8 +++-
drivers/gpu/drm/arm/display/komeda/komeda_plane.c | 2 +-
7 files changed, 48 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
index 34506ef..9603de9 100644
--- a/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
+++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c
@@ -494,11 +494,26 @@ static int d71_enum_resources(struct komeda_dev *mdev)
{__HW_ID(6, 7), 0/*DRM_FORMAT_YUV420_10BIT*/, 1,RICH,
Rot_ALL_H_V,LYT_NM, AFB_TH},
};
+static bool d71_format_mod_supported(const struct komeda_format_caps *caps,
+u32 layer_type, u64 modifier, u32 rot)
+{
+ uint64_t layout = modifier & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK;
+
+ if ((layout == AFBC_FORMAT_MOD_BLOCK_SIZE_32x8) &&
+ drm_rotation_90_or_270(rot)) {
+ DRM_DEBUG_ATOMIC("D71 doesn't support ROT90 for WB-AFBC.\n");
+ return false;
+ }
+
+ return true;
+}
+
static void d71_init_fmt_tbl(struct komeda_dev *mdev)
{
struct komeda_format_caps_table *table = >fmt_tbl;
table->format_caps = d71_format_caps_table;
+ table->format_mod_supported = d71_format_mod_supported;
table->n_formats = ARRAY_SIZE(d71_format_caps_table);
}
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
index b219514..cd4d9f5 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c
@@ -74,7 +74,8 @@
};
bool komeda_format_mod_supported(struct komeda_format_caps_table *table,
-u32 layer_type, u32 fourcc, u64 modifier)
+u32 layer_type, u32 fourcc, u64 modifier,
+u32 rot)
{
const struct komeda_format_caps *caps;
@@ -85,6 +86,10 @@ bool komeda_format_mod_supported(struct
komeda_format_caps_table *table,
if (!(caps->supported_layer_types & layer_type))
return false;
+ if (table->format_mod_supported)
+ return table->format_mod_supported(caps, layer_type, modifier,
+ rot);
+
return true;
}
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
index 96de22e..381e873 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h
@@ -71,10 +71,15 @@ struct komeda_format_caps {
*
* @n_formats: the size of format_caps list.
* @format_caps: format_caps list.
+ * @format_mod_supported: Optional. Some HW may have special requirements or
+ * limitations which can not be described by format_caps, this func supply HW
+ * the ability to do the further HW specific check.
*/
struct komeda_format_caps_table {
u32 n_formats;
const struct komeda_format_caps *format_caps;
+ bool (*format_mod_supported)(const struct komeda_format_caps *caps,
+u32 layer_type, u64 modifier, u32 rot);
};
extern u64 komeda_supported_modifiers[];
@@ -100,6 +105,7 @@ u32 *komeda_get_layer_fourcc_list(struct
komeda_format_caps_table *table,
void komeda_put_fourcc_list(u32 *fourcc_list);
bool komeda_format_mod_supported(struct komeda_format_caps_table *table,
-u32 layer_type, u32 fourcc, u64 modifier);
+u32 layer_type, u32 fourcc, u64 modifier,
+u32 rot);
#endif
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
index f842c88..d5822a3 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
@@ -239,20 +239,20 @@ struct drm_framebuffer *
}
/* if the fb can be supported by a specific layer */
-bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type)
+bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type,
+ u32 rot)
{
struct drm_framebuffer *fb = >base;
struct komeda_dev
