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| author | Taimur Hassan <syed.hassan@amd.com> | 2023-07-14 19:59:06 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-07-25 20:41:12 +0300 |
| commit | 80f63f36b86d40f8a615adf247f0fe8a9f4abb1e (patch) | |
| tree | 2559b29b1942c78afe47e66de9ca0d906729a04e /drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c | |
| parent | 30953c4d000b6742eeb9cb248e737ecacf3a3b96 (diff) | |
| download | linux-80f63f36b86d40f8a615adf247f0fe8a9f4abb1e.tar.xz | |
drm/amd/display: Remove check for default eDP panel_mode
[Why]
DPCD read is skipped first time after driver initialization.
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Taimur Hassan <syed.hassan@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 5add2360fc94..8b360c09e0e8 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -46,43 +46,42 @@ void dp_set_panel_mode(struct dc_link *link, enum dp_panel_mode panel_mode) { union dpcd_edp_config edp_config_set; bool panel_mode_edp = false; + enum dc_status result; memset(&edp_config_set, '\0', sizeof(union dpcd_edp_config)); - if (panel_mode != DP_PANEL_MODE_DEFAULT) { + switch (panel_mode) { + case DP_PANEL_MODE_EDP: + case DP_PANEL_MODE_SPECIAL: + panel_mode_edp = true; + break; - switch (panel_mode) { - case DP_PANEL_MODE_EDP: - case DP_PANEL_MODE_SPECIAL: - panel_mode_edp = true; - break; + default: + break; + } - default: - break; - } + /*set edp panel mode in receiver*/ + result = core_link_read_dpcd( + link, + DP_EDP_CONFIGURATION_SET, + &edp_config_set.raw, + sizeof(edp_config_set.raw)); + + if (result == DC_OK && + edp_config_set.bits.PANEL_MODE_EDP + != panel_mode_edp) { - /*set edp panel mode in receiver*/ - core_link_read_dpcd( + edp_config_set.bits.PANEL_MODE_EDP = + panel_mode_edp; + result = core_link_write_dpcd( link, DP_EDP_CONFIGURATION_SET, &edp_config_set.raw, sizeof(edp_config_set.raw)); - if (edp_config_set.bits.PANEL_MODE_EDP - != panel_mode_edp) { - enum dc_status result; - - edp_config_set.bits.PANEL_MODE_EDP = - panel_mode_edp; - result = core_link_write_dpcd( - link, - DP_EDP_CONFIGURATION_SET, - &edp_config_set.raw, - sizeof(edp_config_set.raw)); - - ASSERT(result == DC_OK); - } + ASSERT(result == DC_OK); } + link->panel_mode = panel_mode; DC_LOG_DETECTION_DP_CAPS("Link: %d eDP panel mode supported: %d " "eDP panel mode enabled: %d \n", |