mirror of https://gitee.com/openkylin/linux.git
drm/amd/display: Initialize DSC PPS variables to 0
For DSC MST, sometimes monitors would break out in full-screen static. The issue traced back to the PPS generation code, where these variables were being used uninitialized and were picking up garbage. memset to 0 to avoid this Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: David Francis <David.Francis@amd.com> Signed-off-by: Mikita Lipski <mikita.lipski@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
parent
5b03f9d868
commit
b6adc57cff
|
@ -525,6 +525,9 @@ bool dp_set_dsc_pps_sdp(struct pipe_ctx *pipe_ctx, bool enable)
|
||||||
struct dsc_config dsc_cfg;
|
struct dsc_config dsc_cfg;
|
||||||
uint8_t dsc_packed_pps[128];
|
uint8_t dsc_packed_pps[128];
|
||||||
|
|
||||||
|
memset(&dsc_cfg, 0, sizeof(dsc_cfg));
|
||||||
|
memset(dsc_packed_pps, 0, 128);
|
||||||
|
|
||||||
/* Enable DSC hw block */
|
/* Enable DSC hw block */
|
||||||
dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
|
dsc_cfg.pic_width = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right;
|
||||||
dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
|
dsc_cfg.pic_height = stream->timing.v_addressable + stream->timing.v_border_top + stream->timing.v_border_bottom;
|
||||||
|
|
|
@ -206,6 +206,9 @@ static bool dsc2_get_packed_pps(struct display_stream_compressor *dsc, const str
|
||||||
struct dsc_reg_values dsc_reg_vals;
|
struct dsc_reg_values dsc_reg_vals;
|
||||||
struct dsc_optc_config dsc_optc_cfg;
|
struct dsc_optc_config dsc_optc_cfg;
|
||||||
|
|
||||||
|
memset(&dsc_reg_vals, 0, sizeof(dsc_reg_vals));
|
||||||
|
memset(&dsc_optc_cfg, 0, sizeof(dsc_optc_cfg));
|
||||||
|
|
||||||
DC_LOG_DSC("Getting packed DSC PPS for DSC Config:");
|
DC_LOG_DSC("Getting packed DSC PPS for DSC Config:");
|
||||||
dsc_config_log(dsc, dsc_cfg);
|
dsc_config_log(dsc, dsc_cfg);
|
||||||
DC_LOG_DSC("DSC Picture Parameter Set (PPS):");
|
DC_LOG_DSC("DSC Picture Parameter Set (PPS):");
|
||||||
|
|
Loading…
Reference in New Issue