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-rw-r--r--drivers/gpu/drm/arm/malidp_crtc.c28
-rw-r--r--drivers/gpu/drm/arm/malidp_hw.c39
-rw-r--r--drivers/gpu/drm/arm/malidp_hw.h7
-rw-r--r--drivers/gpu/drm/arm/malidp_planes.c19
4 files changed, 54 insertions, 39 deletions
diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c
index ef44202fb43f..e1b72782848c 100644
--- a/drivers/gpu/drm/arm/malidp_crtc.c
+++ b/drivers/gpu/drm/arm/malidp_crtc.c
@@ -348,19 +348,20 @@ static int malidp_crtc_atomic_check(struct drm_crtc *crtc,
/*
* check if there is enough rotation memory available for planes
- * that need 90° and 270° rotation. Each plane has set its required
- * memory size in the ->plane_check() callback, here we only make
- * sure that the sums are less that the total usable memory.
+ * that need 90° and 270° rotion or planes that are compressed.
+ * Each plane has set its required memory size in the ->plane_check()
+ * callback, here we only make sure that the sums are less that the
+ * total usable memory.
*
* The rotation memory allocation algorithm (for each plane):
- * a. If no more rotated planes exist, all remaining rotate
- * memory in the bank is available for use by the plane.
- * b. If other rotated planes exist, and plane's layer ID is
- * DE_VIDEO1, it can use all the memory from first bank if
- * secondary rotation memory bank is available, otherwise it can
+ * a. If no more rotated or compressed planes exist, all remaining
+ * rotate memory in the bank is available for use by the plane.
+ * b. If other rotated or compressed planes exist, and plane's
+ * layer ID is DE_VIDEO1, it can use all the memory from first bank
+ * if secondary rotation memory bank is available, otherwise it can
* use up to half the bank's memory.
- * c. If other rotated planes exist, and plane's layer ID is not
- * DE_VIDEO1, it can use half of the available memory
+ * c. If other rotated or compressed planes exist, and plane's layer ID
+ * is not DE_VIDEO1, it can use half of the available memory.
*
* Note: this algorithm assumes that the order in which the planes are
* checked always has DE_VIDEO1 plane first in the list if it is
@@ -372,7 +373,9 @@ static int malidp_crtc_atomic_check(struct drm_crtc *crtc,
/* first count the number of rotated planes */
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
- if (pstate->rotation & MALIDP_ROTATED_MASK)
+ struct drm_framebuffer *fb = pstate->fb;
+
+ if ((pstate->rotation & MALIDP_ROTATED_MASK) || fb->modifier)
rotated_planes++;
}
@@ -388,8 +391,9 @@ static int malidp_crtc_atomic_check(struct drm_crtc *crtc,
drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) {
struct malidp_plane *mp = to_malidp_plane(plane);
struct malidp_plane_state *ms = to_malidp_plane_state(pstate);
+ struct drm_framebuffer *fb = pstate->fb;
- if (pstate->rotation & MALIDP_ROTATED_MASK) {
+ if ((pstate->rotation & MALIDP_ROTATED_MASK) || fb->modifier) {
/* process current plane */
rotated_planes--;
diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c
index c874ef4ac005..7aad7dd80d8c 100644
--- a/drivers/gpu/drm/arm/malidp_hw.c
+++ b/drivers/gpu/drm/arm/malidp_hw.c
@@ -85,44 +85,47 @@ static const struct malidp_format_id malidp550_de_formats[] = {
static const struct malidp_layer malidp500_layers[] = {
/* id, base address, fb pointer address base, stride offset,
- * yuv2rgb matrix offset, mmu control register offset
+ * yuv2rgb matrix offset, mmu control register offset, rotation_features
*/
{ DE_VIDEO1, MALIDP500_DE_LV_BASE, MALIDP500_DE_LV_PTR_BASE,
- MALIDP_DE_LV_STRIDE0, MALIDP500_LV_YUV2RGB, 0 },
+ MALIDP_DE_LV_STRIDE0, MALIDP500_LV_YUV2RGB, 0, ROTATE_ANY },
{ DE_GRAPHICS1, MALIDP500_DE_LG1_BASE, MALIDP500_DE_LG1_PTR_BASE,
- MALIDP_DE_LG_STRIDE, 0, 0 },
+ MALIDP_DE_LG_STRIDE, 0, 0, ROTATE_ANY },
{ DE_GRAPHICS2, MALIDP500_DE_LG2_BASE, MALIDP500_DE_LG2_PTR_BASE,
- MALIDP_DE_LG_STRIDE, 0, 0 },
+ MALIDP_DE_LG_STRIDE, 0, 0, ROTATE_ANY },
};
static const struct malidp_layer malidp550_layers[] = {
/* id, base address, fb pointer address base, stride offset,
- * yuv2rgb matrix offset, mmu control register offset
+ * yuv2rgb matrix offset, mmu control register offset, rotation_features
*/
{ DE_VIDEO1, MALIDP550_DE_LV1_BASE, MALIDP550_DE_LV1_PTR_BASE,
- MALIDP_DE_LV_STRIDE0, MALIDP550_LV_YUV2RGB, 0 },
+ MALIDP_DE_LV_STRIDE0, MALIDP550_LV_YUV2RGB, 0, ROTATE_ANY },
{ DE_GRAPHICS1, MALIDP550_DE_LG_BASE, MALIDP550_DE_LG_PTR_BASE,
- MALIDP_DE_LG_STRIDE, 0, 0 },
+ MALIDP_DE_LG_STRIDE, 0, 0, ROTATE_ANY },
{ DE_VIDEO2, MALIDP550_DE_LV2_BASE, MALIDP550_DE_LV2_PTR_BASE,
- MALIDP_DE_LV_STRIDE0, MALIDP550_LV_YUV2RGB, 0 },
+ MALIDP_DE_LV_STRIDE0, MALIDP550_LV_YUV2RGB, 0, ROTATE_ANY },
{ DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE,
- MALIDP550_DE_LS_R1_STRIDE, 0, 0 },
+ MALIDP550_DE_LS_R1_STRIDE, 0, 0, ROTATE_NONE },
};
static const struct malidp_layer malidp650_layers[] = {
/* id, base address, fb pointer address base, stride offset,
- * yuv2rgb matrix offset, mmu control register offset
+ * yuv2rgb matrix offset, mmu control register offset,
+ * rotation_features
*/
{ DE_VIDEO1, MALIDP550_DE_LV1_BASE, MALIDP550_DE_LV1_PTR_BASE,
MALIDP_DE_LV_STRIDE0, MALIDP550_LV_YUV2RGB,
- MALIDP650_DE_LV_MMU_CTRL },
+ MALIDP650_DE_LV_MMU_CTRL, ROTATE_ANY },
{ DE_GRAPHICS1, MALIDP550_DE_LG_BASE, MALIDP550_DE_LG_PTR_BASE,
- MALIDP_DE_LG_STRIDE, 0, MALIDP650_DE_LG_MMU_CTRL },
+ MALIDP_DE_LG_STRIDE, 0, MALIDP650_DE_LG_MMU_CTRL,
+ ROTATE_COMPRESSED },
{ DE_VIDEO2, MALIDP550_DE_LV2_BASE, MALIDP550_DE_LV2_PTR_BASE,
MALIDP_DE_LV_STRIDE0, MALIDP550_LV_YUV2RGB,
- MALIDP650_DE_LV_MMU_CTRL },
+ MALIDP650_DE_LV_MMU_CTRL, ROTATE_ANY },
{ DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE,
- MALIDP550_DE_LS_R1_STRIDE, 0, MALIDP650_DE_LS_MMU_CTRL },
+ MALIDP550_DE_LS_R1_STRIDE, 0, MALIDP650_DE_LS_MMU_CTRL,
+ ROTATE_NONE },
};
#define SE_N_SCALING_COEFFS 96
@@ -317,10 +320,6 @@ static void malidp500_modeset(struct malidp_hw_device *hwdev, struct videomode *
static int malidp500_rotmem_required(struct malidp_hw_device *hwdev, u16 w, u16 h, u32 fmt)
{
- /* RGB888 or BGR888 can't be rotated */
- if ((fmt == DRM_FORMAT_RGB888) || (fmt == DRM_FORMAT_BGR888))
- return -EINVAL;
-
/*
* Each layer needs enough rotation memory to fit 8 lines
* worth of pixel data. Required size is then:
@@ -608,10 +607,6 @@ static int malidp550_rotmem_required(struct malidp_hw_device *hwdev, u16 w, u16
{
u32 bytes_per_col;
- /* raw RGB888 or BGR888 can't be rotated */
- if ((fmt == DRM_FORMAT_RGB888) || (fmt == DRM_FORMAT_BGR888))
- return -EINVAL;
-
switch (fmt) {
/* 8 lines at 4 bytes per pixel */
case DRM_FORMAT_ARGB2101010:
diff --git a/drivers/gpu/drm/arm/malidp_hw.h b/drivers/gpu/drm/arm/malidp_hw.h
index 0d7f9ea0ade8..3ab133d49bba 100644
--- a/drivers/gpu/drm/arm/malidp_hw.h
+++ b/drivers/gpu/drm/arm/malidp_hw.h
@@ -36,6 +36,12 @@ enum {
SE_MEMWRITE = BIT(5),
};
+enum rotation_features {
+ ROTATE_NONE, /* does not support rotation at all */
+ ROTATE_ANY, /* supports rotation on any buffers */
+ ROTATE_COMPRESSED, /* supports rotation only on compressed buffers */
+};
+
struct malidp_format_id {
u32 format; /* DRM fourcc */
u8 layer; /* bitmask of layers supporting it */
@@ -63,6 +69,7 @@ struct malidp_layer {
u16 stride_offset; /* offset to the first stride register. */
s16 yuv2rgb_offset; /* offset to the YUV->RGB matrix entries */
u16 mmu_ctrl_offset; /* offset to the MMU control register */
+ enum rotation_features rot; /* type of rotation supported */
};
enum malidp_scaling_coeff_set {
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 76aafc296e1b..837a24d56675 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -440,11 +440,20 @@ static int malidp_de_plane_check(struct drm_plane *plane,
if (ret)
return ret;
- /* packed RGB888 / BGR888 can't be rotated or flipped */
- if (state->rotation != DRM_MODE_ROTATE_0 &&
- (fb->format->format == DRM_FORMAT_RGB888 ||
- fb->format->format == DRM_FORMAT_BGR888))
- return -EINVAL;
+ /* validate the rotation constraints for each layer */
+ if (state->rotation != DRM_MODE_ROTATE_0) {
+ if (mp->layer->rot == ROTATE_NONE)
+ return -EINVAL;
+ if ((mp->layer->rot == ROTATE_COMPRESSED) && !(fb->modifier))
+ return -EINVAL;
+ /*
+ * packed RGB888 / BGR888 can't be rotated or flipped
+ * unless they are stored in a compressed way
+ */
+ if ((fb->format->format == DRM_FORMAT_RGB888 ||
+ fb->format->format == DRM_FORMAT_BGR888) && !(fb->modifier))
+ return -EINVAL;
+ }
ms->rotmem_size = 0;
if (state->rotation & MALIDP_ROTATED_MASK) {