From: Navid Assadian Navid.Assadian@amd.com
[ Upstream commit fba4d19f3731483ee8565f9e9bb7ed9fc89479e8 ]
[Why] For subsampled YUV output formats, more pixels can get fetched and be used for scaling.
[How] Add the adjustment to the calculated recout, so the viewport covers the corresponding pixels on the source plane.
Signed-off-by: Navid Assadian Navid.Assadian@amd.com Reviewed-by: Samson Tam Samson.Tam@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/spl/dc_spl.c | 31 +++++++++++++++---- .../gpu/drm/amd/display/dc/spl/dc_spl_types.h | 10 ++++++ 2 files changed, 35 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c index 22602f088553d..153b7a8904e1e 100644 --- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c +++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl.c @@ -76,6 +76,21 @@ static struct spl_rect shift_rec(const struct spl_rect *rec_in, int x, int y) return rec_out; }
+static void spl_opp_adjust_rect(struct spl_rect *rec, const struct spl_opp_adjust *adjust) +{ + if ((rec->x + adjust->x) >= 0) + rec->x += adjust->x; + + if ((rec->y + adjust->y) >= 0) + rec->y += adjust->y; + + if ((rec->width + adjust->width) >= 1) + rec->width += adjust->width; + + if ((rec->height + adjust->height) >= 1) + rec->height += adjust->height; +} + static struct spl_rect calculate_plane_rec_in_timing_active( struct spl_in *spl_in, const struct spl_rect *rec_in) @@ -723,13 +738,15 @@ static void spl_handle_3d_recout(struct spl_in *spl_in, struct spl_rect *recout) } }
-static void spl_clamp_viewport(struct spl_rect *viewport) +static void spl_clamp_viewport(struct spl_rect *viewport, int min_viewport_size) { + if (min_viewport_size == 0) + min_viewport_size = MIN_VIEWPORT_SIZE; /* Clamp minimum viewport size */ - if (viewport->height < MIN_VIEWPORT_SIZE) - viewport->height = MIN_VIEWPORT_SIZE; - if (viewport->width < MIN_VIEWPORT_SIZE) - viewport->width = MIN_VIEWPORT_SIZE; + if (viewport->height < min_viewport_size) + viewport->height = min_viewport_size; + if (viewport->width < min_viewport_size) + viewport->width = min_viewport_size; }
static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in, @@ -1800,6 +1817,8 @@ static bool spl_calculate_number_of_taps(struct spl_in *spl_in, struct spl_scrat spl_calculate_recout(spl_in, spl_scratch, spl_out); /* depends on pixel format */ spl_calculate_scaling_ratios(spl_in, spl_scratch, spl_out); + /* Adjust recout for opp if needed */ + spl_opp_adjust_rect(&spl_scratch->scl_data.recout, &spl_in->basic_in.opp_recout_adjust); /* depends on scaling ratios and recout, does not calculate offset yet */ spl_calculate_viewport_size(spl_in, spl_scratch);
@@ -1836,7 +1855,7 @@ bool spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out *spl_out) // Handle 3d recout spl_handle_3d_recout(spl_in, &spl_scratch.scl_data.recout); // Clamp - spl_clamp_viewport(&spl_scratch.scl_data.viewport); + spl_clamp_viewport(&spl_scratch.scl_data.viewport, spl_in->min_viewport_size);
// Save all calculated parameters in dscl_prog_data structure to program hw registers spl_set_dscl_prog_data(spl_in, &spl_scratch, spl_out, enable_easf_v, enable_easf_h, enable_isharp); diff --git a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h index 5d139cf51e89b..1c3949b24611f 100644 --- a/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h +++ b/drivers/gpu/drm/amd/display/dc/spl/dc_spl_types.h @@ -427,6 +427,14 @@ struct spl_out {
// SPL inputs
+// opp extra adjustment for rect +struct spl_opp_adjust { + int x; + int y; + int width; + int height; +}; + // Basic input information struct basic_in { enum spl_pixel_format format; // Pixel Format @@ -444,6 +452,7 @@ struct basic_in { } num_slices_recout_width; } num_h_slices_recout_width_align; int mpc_h_slice_index; // previous mpc_combine_v - split_idx + struct spl_opp_adjust opp_recout_adjust; // Inputs for adaptive scaler - TODO enum spl_transfer_func_type tf_type; /* Transfer function type */ enum spl_transfer_func_predefined tf_predefined_type; /* Transfer function predefined type */ @@ -535,6 +544,7 @@ struct spl_in { bool is_hdr_on; int h_active; int v_active; + int min_viewport_size; int sdr_white_level_nits; enum sharpen_policy sharpen_policy; };