diff options
Diffstat (limited to 'drivers/gpu/drm/arm/malidp_planes.c')
| -rw-r--r-- | drivers/gpu/drm/arm/malidp_planes.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c index 837a24d56675..c9a6d3e0cada 100644 --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -398,6 +398,7 @@ static int malidp_de_plane_check(struct drm_plane *plane, struct drm_framebuffer *fb; u16 pixel_alpha = state->pixel_blend_mode; int i, ret; + unsigned int block_w, block_h; if (!state->crtc || !state->fb) return 0; @@ -413,13 +414,26 @@ static int malidp_de_plane_check(struct drm_plane *plane, ms->n_planes = fb->format->num_planes; for (i = 0; i < ms->n_planes; i++) { u8 alignment = malidp_hw_get_pitch_align(mp->hwdev, rotated); - if (fb->pitches[i] & (alignment - 1)) { + + if ((fb->pitches[i] * drm_format_info_block_height(fb->format, i)) + & (alignment - 1)) { DRM_DEBUG_KMS("Invalid pitch %u for plane %d\n", fb->pitches[i], i); return -EINVAL; } } + block_w = drm_format_info_block_width(fb->format, 0); + block_h = drm_format_info_block_height(fb->format, 0); + if (fb->width % block_w || fb->height % block_h) { + DRM_DEBUG_KMS("Buffer width/height needs to be a multiple of tile sizes"); + return -EINVAL; + } + if ((state->src_x >> 16) % block_w || (state->src_y >> 16) % block_h) { + DRM_DEBUG_KMS("Plane src_x/src_y needs to be a multiple of tile sizes"); + return -EINVAL; + } + if ((state->crtc_w > mp->hwdev->max_line_size) || (state->crtc_h > mp->hwdev->max_line_size) || (state->crtc_w < mp->hwdev->min_line_size) || @@ -492,10 +506,18 @@ static void malidp_de_set_plane_pitches(struct malidp_plane *mp, num_strides = (mp->hwdev->hw->features & MALIDP_DEVICE_LV_HAS_3_STRIDES) ? 3 : 2; - for (i = 0; i < num_strides; ++i) - malidp_hw_write(mp->hwdev, pitches[i], + /* + * The drm convention for pitch is that it needs to cover width * cpp, + * but our hardware wants the pitch/stride to cover all rows included + * in a tile. + */ + for (i = 0; i < num_strides; ++i) { + unsigned int block_h = drm_format_info_block_height(mp->base.state->fb->format, i); + + malidp_hw_write(mp->hwdev, pitches[i] * block_h, mp->layer->base + mp->layer->stride_offset + i * 4); + } } static const s16 |