diff options
| author | Joshua Aberback <joshua.aberback@amd.com> | 2026-09-23 13:06:07 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-10-07 12:06:29 -0400 |
| commit | 3b77aacb15e0e8348f1e702cb930cf0a2b703c15 (patch) | |
| tree | 3ab86ef1c3ce8b20f5116311a036a5c71b472546 /drivers/gpu | |
| parent | 0f87a995ce7e362540af3dffdc94938c6afb028f (diff) | |
drm/amd/display: Revert "avoid to write signal specific for tmds"
This reverts commit 93179870ae52d1663080655fb8f0170a82cf9951.
The change regressed HDMI output on the TMDS-to-FRL switch.
Reviewed-by: Martin Leung <martin.leung@amd.com>
Signed-off-by: Joshua Aberback <joshua.aberback@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.h | 1 |
3 files changed, 3 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index ec503d3541c9..0d3b65d40807 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -1909,7 +1909,6 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx) write_scdc_data( stream->link->ddc, stream->phy_pix_clk, - dc_is_hdmi_frl_signal(pipe_ctx->stream->signal), (stream->timing.flags.LTE_340MCSC_SCRAMBLE != 0)); if (dc->debug.enable_hdmi_idcc) { @@ -2450,7 +2449,6 @@ enum dc_status link_set_dpms_off(struct pipe_ctx *pipe_ctx) write_scdc_data( link->ddc, 165000,//vbios only handles 165Mhz. - dc_is_hdmi_frl_signal(stream->signal), false); if (masked_chip_caps == AMD_EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT) { /* DP159, Retimer settings */ diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c index 3fbfc6e2594b..db798656c8a8 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.c @@ -570,7 +570,6 @@ struct ddc *get_ddc_pin(struct ddc_service *ddc_service) void write_scdc_data(struct ddc_service *ddc_service, uint32_t pix_clk, - bool is_frl, bool lte_340_scramble) { bool over_340_mhz = pix_clk > 340000 ? 1 : 0; @@ -587,10 +586,9 @@ void write_scdc_data(struct ddc_service *ddc_service, (ddc_service->link->local_sink->edid_caps.panel_patch.skip_scdc_overwrite || !ddc_service->link->local_sink->edid_caps.scdc_present)) return; - if (is_frl) { - hdmi_frl_LTS_clear_Link_Setting(ddc_service); - hdmi_frl_LTS_clear_Update_flag(ddc_service); - } + hdmi_frl_LTS_clear_Link_Setting(ddc_service); + hdmi_frl_LTS_clear_Update_flag(ddc_service); + link_query_ddc_data(ddc_service, slave_address, &offset, sizeof(offset), &sink_version, sizeof(sink_version)); if (sink_version == 1) { diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.h b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.h index 200823954fc6..fdd8a3dce97f 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.h +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_ddc.h @@ -91,7 +91,6 @@ uint32_t link_get_fixed_vs_pe_retimer_write_address(struct dc_link *link); void write_scdc_data( struct ddc_service *ddc_service, uint32_t pix_clk, - bool is_frl, bool lte_340_scramble); void read_scdc_data( |