github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-30 11:11:26 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/amd/display: fix scaling calculation for proper surface input format

Browse Source 
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dmytro Laktyushkin 2017-05-09 16:39:26 -04:00 committed by Alex Deucher
parent 6a4c32dac5
commit 86006a7f54
2 changed files with 49 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
drivers/gpu/drm/amd/display/dc/core/dc_resource.c
View File

@ -431,6 +431,7 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx)
const struct dc_surface *surface = &pipe_ctx->surface->public;
const struct dc_stream *stream = &pipe_ctx->stream->public;
struct scaler_data *data = &pipe_ctx->scl_data;
struct rect surf_src = surface->src_rect;
struct rect clip = { 0 };
int vpc_div = (data->format == PIXEL_FORMAT_420BPP12
|| data->format == PIXEL_FORMAT_420BPP15) ? 2 : 1;
@ -444,6 +445,11 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx)
pri_split = false;
sec_split = false;
}
if (pipe_ctx->surface->public.rotation == ROTATION_ANGLE_90 ||
pipe_ctx->surface->public.rotation == ROTATION_ANGLE_270)
rect_swap_helper(&surf_src);
/* The actual clip is an intersection between stream
* source and surface clip
*/
@ -463,18 +469,18 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx)
stream->src.y + stream->src.height - clip.y :
surface->clip_rect.y + surface->clip_rect.height - clip.y ;
/* offset = src.ofs + (clip.ofs - surface->dst_rect.ofs) * scl_ratio
/* offset = surf_src.ofs + (clip.ofs - surface->dst_rect.ofs) * scl_ratio
* num_pixels = clip.num_pix * scl_ratio
*/
data->viewport.x = surface->src_rect.x + (clip.x - surface->dst_rect.x) *
surface->src_rect.width / surface->dst_rect.width;
data->viewport.x = surf_src.x + (clip.x - surface->dst_rect.x) *
surf_src.width / surface->dst_rect.width;
data->viewport.width = clip.width *
surface->src_rect.width / surface->dst_rect.width;
surf_src.width / surface->dst_rect.width;
data->viewport.y = surface->src_rect.y + (clip.y - surface->dst_rect.y) *
surface->src_rect.height / surface->dst_rect.height;
data->viewport.y = surf_src.y + (clip.y - surface->dst_rect.y) *
surf_src.height / surface->dst_rect.height;
data->viewport.height = clip.height *
surface->src_rect.height / surface->dst_rect.height;
surf_src.height / surface->dst_rect.height;
/* Round down, compensate in init */
data->viewport_c.x = data->viewport.x / vpc_div;
@ -523,16 +529,21 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip
{
const struct dc_surface *surface = &pipe_ctx->surface->public;
struct core_stream *stream = pipe_ctx->stream;
struct rect clip = surface->clip_rect;
struct rect surf_src = surface->src_rect;
struct rect surf_clip = surface->clip_rect;
int recout_full_x, recout_full_y;
if (pipe_ctx->surface->public.rotation == ROTATION_ANGLE_90 ||
pipe_ctx->surface->public.rotation == ROTATION_ANGLE_270)
rect_swap_helper(&surf_src);
pipe_ctx->scl_data.recout.x = stream->public.dst.x;
if (stream->public.src.x < clip.x)
pipe_ctx->scl_data.recout.x += (clip.x
if (stream->public.src.x < surf_clip.x)
pipe_ctx->scl_data.recout.x += (surf_clip.x
- stream->public.src.x) * stream->public.dst.width
/ stream->public.src.width;
pipe_ctx->scl_data.recout.width = clip.width *
pipe_ctx->scl_data.recout.width = surf_clip.width *
stream->public.dst.width / stream->public.src.width;
if (pipe_ctx->scl_data.recout.width + pipe_ctx->scl_data.recout.x >
stream->public.dst.x + stream->public.dst.width)
@ -541,12 +552,12 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip
- pipe_ctx->scl_data.recout.x;
pipe_ctx->scl_data.recout.y = stream->public.dst.y;
if (stream->public.src.y < clip.y)
pipe_ctx->scl_data.recout.y += (clip.y
if (stream->public.src.y < surf_clip.y)
pipe_ctx->scl_data.recout.y += (surf_clip.y
- stream->public.src.y) * stream->public.dst.height
/ stream->public.src.height;
pipe_ctx->scl_data.recout.height = clip.height *
pipe_ctx->scl_data.recout.height = surf_clip.height *
stream->public.dst.height / stream->public.src.height;
if (pipe_ctx->scl_data.recout.height + pipe_ctx->scl_data.recout.y >
stream->public.dst.y + stream->public.dst.height)
@ -569,7 +580,7 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip
pipe_ctx->scl_data.recout.width += pipe_ctx->scl_data.recout.width % 2;
}
} else if (pipe_ctx->bottom_pipe &&
pipe_ctx->bottom_pipe->surface == pipe_ctx->surface) {
pipe_ctx->bottom_pipe->surface == pipe_ctx->surface) {
if (stream->public.timing.timing_3d_format ==
TIMING_3D_FORMAT_TOP_AND_BOTTOM)
pipe_ctx->scl_data.recout.height /= 2;
@ -577,17 +588,17 @@ static void calculate_recout(struct pipe_ctx *pipe_ctx, struct view *recout_skip
pipe_ctx->scl_data.recout.width /= 2;
}
/* Unclipped recout offset = stream dst offset + ((surf dst offset - stream src offset)
* * 1/ stream scaling ratio) - (surf src offset * 1/ full scl
/* Unclipped recout offset = stream dst offset + ((surf dst offset - stream surf_src offset)
* * 1/ stream scaling ratio) - (surf surf_src offset * 1/ full scl
* ratio)
*/
recout_full_x = stream->public.dst.x + (surface->dst_rect.x - stream->public.src.x)
* stream->public.dst.width / stream->public.src.width -
surface->src_rect.x * surface->dst_rect.width / surface->src_rect.width
surf_src.x * surface->dst_rect.width / surf_src.width
* stream->public.dst.width / stream->public.src.width;
recout_full_y = stream->public.dst.y + (surface->dst_rect.y - stream->public.src.y)
* stream->public.dst.height / stream->public.src.height -
surface->src_rect.y * surface->dst_rect.height / surface->src_rect.height
surf_src.y * surface->dst_rect.height / surf_src.height
* stream->public.dst.height / stream->public.src.height;
recout_skip->width = pipe_ctx->scl_data.recout.x - recout_full_x;
@ -598,16 +609,21 @@ static void calculate_scaling_ratios(struct pipe_ctx *pipe_ctx)
{
const struct dc_surface *surface = &pipe_ctx->surface->public;
struct core_stream *stream = pipe_ctx->stream;
struct rect surf_src = surface->src_rect;
const int in_w = stream->public.src.width;
const int in_h = stream->public.src.height;
const int out_w = stream->public.dst.width;
const int out_h = stream->public.dst.height;
if (pipe_ctx->surface->public.rotation == ROTATION_ANGLE_90 ||
pipe_ctx->surface->public.rotation == ROTATION_ANGLE_270)
rect_swap_helper(&surf_src);
pipe_ctx->scl_data.ratios.horz = dal_fixed31_32_from_fraction(
surface->src_rect.width,
surf_src.width,
surface->dst_rect.width);
pipe_ctx->scl_data.ratios.vert = dal_fixed31_32_from_fraction(
surface->src_rect.height,
surf_src.height,
surface->dst_rect.height);
if (surface->stereo_format == PLANE_STEREO_FORMAT_SIDE_BY_SIDE)
@ -637,8 +653,10 @@ static void calculate_inits_and_adj_vp(struct pipe_ctx *pipe_ctx, struct view *r
int vpc_div = (data->format == PIXEL_FORMAT_420BPP12
|| data->format == PIXEL_FORMAT_420BPP15) ? 2 : 1;
if (pipe_ctx->surface->public.rotation == ROTATION_ANGLE_90 ||
pipe_ctx->surface->public.rotation == ROTATION_ANGLE_270) {
rect_swap_helper(&src);
rect_swap_helper(&data->viewport_c);
rect_swap_helper(&data->viewport);
}

20
drivers/gpu/drm/amd/display/dc/dc_hw_types.h
View File

@ -99,15 +99,15 @@ struct dc_plane_address {
};
struct dc_size {
uint32_t width;
uint32_t height;
int width;
int height;
};
struct rect {
int x;
int y;
uint32_t width;
uint32_t height;
int width;
int height;
};
union plane_size {
@ -123,7 +123,7 @@ union plane_size {
* In LINEAR_GENERAL mode, pitch
* is 32 pixel aligned.
*/
uint32_t surface_pitch;
int surface_pitch;
} grph;
struct {
@ -132,14 +132,14 @@ union plane_size {
* In LINEAR_GENERAL mode, pitch is
* 32 pixel aligned.
*/
uint32_t luma_pitch;
int luma_pitch;
struct rect chroma_size;
/* Graphic surface pitch in pixels.
* In LINEAR_GENERAL mode, pitch is
* 32 pixel aligned.
*/
uint32_t chroma_pitch;
int chroma_pitch;
} video;
};
@ -148,15 +148,15 @@ struct dc_plane_dcc_param {
union {
struct {
uint32_t meta_pitch;
int meta_pitch;
bool independent_64b_blks;
} grph;
struct {
uint32_t meta_pitch_l;
int meta_pitch_l;
bool independent_64b_blks_l;
uint32_t meta_pitch_c;
int meta_pitch_c;
bool independent_64b_blks_c;
} video;
};