[PATCH 5.10 635/717] drm/amd/display: Honor the offset for plane 0.

Greg Kroah-Hartman
2020-12-28T14:29:24Z

From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

commit be7b9b327e79cd2db07b659af599867b629b2f66 upstream.

With modifiers I'd like to support non-dedicated buffers for
images.

Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: stable@vger.kernel.org # 5.1.0
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3746,6 +3746,7 @@ fill_plane_dcc_attributes(struct amdgpu_
struct dc *dc = adev->dm.dc;
struct dc_dcc_surface_param input;
struct dc_surface_dcc_cap output;
+ uint64_t plane_address = afb->address + afb->base.offsets[0];
uint32_t offset = AMDGPU_TILING_GET(info, DCC_OFFSET_256B);
uint32_t i64b = AMDGPU_TILING_GET(info, DCC_INDEPENDENT_64B) != 0;
uint64_t dcc_address;
@@ -3789,7 +3790,7 @@ fill_plane_dcc_attributes(struct amdgpu_
AMDGPU_TILING_GET(info, DCC_PITCH_MAX) + 1;
dcc->independent_64b_blks = i64b;

- dcc_address = get_dcc_address(afb->address, info);
+ dcc_address = get_dcc_address(plane_address, info);
address->grph.meta_addr.low_part = lower_32_bits(dcc_address);
address->grph.meta_addr.high_part = upper_32_bits(dcc_address);

@@ -3820,6 +3821,8 @@ fill_plane_buffer_attributes(struct amdg
address->tmz_surface = tmz_surface;

if (format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
+ uint64_t addr = afb->address + fb->offsets[0];
+
plane_size->surface_size.x = 0;
plane_size->surface_size.y = 0;
plane_size->surface_size.width = fb->width;
@@ -3828,9 +3831,10 @@ fill_plane_buffer_attributes(struct amdg
fb->pitches[0] / fb->format->cpp[0];

address->type = PLN_ADDR_TYPE_GRAPHICS;
- address->grph.addr.low_part = lower_32_bits(afb->address);
- address->grph.addr.high_part = upper_32_bits(afb->address);
+ address->grph.addr.low_part = lower_32_bits(addr);
+ address->grph.addr.high_part = upper_32_bits(addr);
} else if (format < SURFACE_PIXEL_FORMAT_INVALID) {
+ uint64_t luma_addr = afb->address + fb->offsets[0];
uint64_t chroma_addr = afb->address + fb->offsets[1];

plane_size->surface_size.x = 0;
@@ -3851,9 +3855,9 @@ fill_plane_buffer_attributes(struct amdg

address->type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
address->video_progressive.luma_addr.low_part =
- lower_32_bits(afb->address);
+ lower_32_bits(luma_addr);
address->video_progressive.luma_addr.high_part =
- upper_32_bits(afb->address);
+ upper_32_bits(luma_addr);
address->video_progressive.chroma_addr.low_part =
lower_32_bits(chroma_addr);
address->video_progressive.chroma_addr.high_part =