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51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
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From 44cf209fa5318770f6d53e36d7fb28ce4ef801a8 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Thu, 30 Mar 2023 17:18:36 +0100
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Subject: [PATCH 0577/1085] drm/vc4: Fix FKMS for when the YUV chroma planes
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are different buffers
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The code was assuming that it was a single buffer with offsets,
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when kmstest uses separate buffers and 0 offsets for each plane.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/vc4/vc4_firmware_kms.c | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
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+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
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@@ -526,7 +526,7 @@ static int vc4_plane_to_mb(struct drm_pl
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struct drm_plane_state *state)
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{
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struct drm_framebuffer *fb = state->fb;
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- struct drm_gem_dma_object *bo = drm_fb_dma_get_gem_obj(fb, 0);
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+ struct drm_gem_dma_object *bo;
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const struct drm_format_info *drm_fmt = fb->format;
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const struct vc_image_format *vc_fmt =
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vc4_get_vc_image_fmt(drm_fmt->format);
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@@ -550,6 +550,7 @@ static int vc4_plane_to_mb(struct drm_pl
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state->normalized_zpos : -127;
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mb->plane.num_planes = num_planes;
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mb->plane.is_vu = vc_fmt->is_vu;
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+ bo = drm_fb_dma_get_gem_obj(fb, 0);
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mb->plane.planes[0] = bo->dma_addr + fb->offsets[0];
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rotation = drm_rotation_simplify(state->rotation,
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@@ -570,11 +571,14 @@ static int vc4_plane_to_mb(struct drm_pl
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/* Makes assumptions on the stride for the chroma planes as we
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* can't easily plumb in non-standard pitches.
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*/
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+ bo = drm_fb_dma_get_gem_obj(fb, 1);
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mb->plane.planes[1] = bo->dma_addr + fb->offsets[1];
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- if (num_planes > 2)
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+ if (num_planes > 2) {
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+ bo = drm_fb_dma_get_gem_obj(fb, 2);
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mb->plane.planes[2] = bo->dma_addr + fb->offsets[2];
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- else
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+ } else {
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mb->plane.planes[2] = 0;
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+ }
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/* Special case the YUV420 with U and V as line interleaved
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* planes as we have special handling for that case.
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