add lvds1024*800

hc

2024-01-31 f70575805708cabdedea7498aaa3f710fde4d920

 kernel/drivers/gpu/drm/drm_blend.c
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@@ -23,12 +23,15 @@
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  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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  * OF THIS SOFTWARE.
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  */
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-#include <drm/drmP.h>
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-#include <drm/drm_atomic.h>
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-#include <drm/drm_blend.h>
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+
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 #include <linux/export.h>
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 #include <linux/slab.h>
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 #include <linux/sort.h>
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+
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+#include <drm/drm_atomic.h>
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+#include <drm/drm_blend.h>
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+#include <drm/drm_device.h>
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+#include <drm/drm_print.h>
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 #include "drm_crtc_internal.h"
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@@ -101,11 +104,40 @@
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  *	Without this property the rectangle is only scaled, but not rotated or
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  *	reflected.
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  *
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+ *	Possbile values:
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+ *
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+ *	"rotate-<degrees>":
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+ *		Signals that a drm plane is rotated <degrees> degrees in counter
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+ *		clockwise direction.
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+ *
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+ *	"reflect-<axis>":
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+ *		Signals that the contents of a drm plane is reflected along the
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+ *		<axis> axis, in the same way as mirroring.
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+ *
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+ *	reflect-x::
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+ *
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+ *			|o |    | o|
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+ *			|  | -> |  |
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+ *			| v|    |v |
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+ *
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+ *	reflect-y::
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+ *
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+ *			|o |    | ^|
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+ *			|  | -> |  |
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+ *			| v|    |o |
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+ *
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  * zpos:
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  *	Z position is set up with drm_plane_create_zpos_immutable_property() and
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  *	drm_plane_create_zpos_property(). It controls the visibility of overlapping
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  *	planes. Without this property the primary plane is always below the cursor
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- *	plane, and ordering between all other planes is undefined.
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+ *	plane, and ordering between all other planes is undefined. The positive
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+ *	Z axis points towards the user, i.e. planes with lower Z position values
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+ *	are underneath planes with higher Z position values. Two planes with the
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+ *	same Z position value have undefined ordering. Note that the Z position
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+ *	value can also be immutable, to inform userspace about the hard-coded
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+ *	stacking of planes, see drm_plane_create_zpos_immutable_property(). If
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+ *	any plane has a zpos property (either mutable or immutable), then all
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+ *	planes shall have a zpos property.
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  *
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  * pixel blend mode:
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  *	Pixel blend mode is set up with drm_plane_create_blend_mode_property().
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@@ -152,6 +184,12 @@
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  *		 Plane alpha value set by the plane "alpha" property. If the
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  *		 plane does not expose the "alpha" property, then this is
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  *		 assumed to be 1.0
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+ *
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+ * IN_FORMATS:
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+ *	Blob property which contains the set of buffer format and modifier
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+ *	pairs supported by this plane. The blob is a drm_format_modifier_blob
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+ *	struct. Without this property the plane doesn't support buffers with
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+ *	modifiers. Userspace cannot change this property.
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  *
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  * Note that all the property extensions described here apply either to the
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  * plane or the CRTC (e.g. for the background color, which currently is not
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@@ -308,10 +346,10 @@
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  * should be set to 0 and max to maximal number of planes for given crtc - 1.
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  *
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  * If zpos of some planes cannot be changed (like fixed background or
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- * cursor/topmost planes), driver should adjust min/max values and assign those
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- * planes immutable zpos property with lower or higher values (for more
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+ * cursor/topmost planes), drivers shall adjust the min/max values and assign
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+ * those planes immutable zpos properties with lower or higher values (for more
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  * information, see drm_plane_create_zpos_immutable_property() function). In such
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- * case driver should also assign proper initial zpos values for all planes in
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+ * case drivers shall also assign proper initial zpos values for all planes in
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  * its plane_reset() callback, so the planes will be always sorted properly.
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  *
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  * See also drm_atomic_normalize_zpos().