Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/amd/display: Add control flag to dc_stream_state to skip eDP BL off/link off
Add control flag to dc_stream_state to skip eDP BL off/link off.
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Max Tseng <max.tseng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
authored by
Max Tseng
and committed by
Alex Deucher
8e7b3f54
490ddccb
+7
-4
+1
drivers/gpu/drm/amd/display/dc/dc_stream.h
+1
drivers/gpu/drm/amd/display/dc/dc_stream.h
+2
-1
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+2
-1
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
···
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1216
struct dce_hwseq *hws = link->dc->hwseq;
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if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
1219
-
hws->funcs.edp_backlight_control(link, false);
1219
+
if (!stream->skip_edp_power_down)
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+
hws->funcs.edp_backlight_control(link, false);
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link->dc->hwss.set_abm_immediate_disable(pipe_ctx);
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}
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+4
-3
drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+4
-3
drivers/gpu/drm/amd/display/dc/link/link_dpms.c
···
2207
2207
* link settings. Need to call disable first before enabling at
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2208
* new link settings.
2209
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*/
2210
-
if (link->link_status.link_active) {
2210
+
if (link->link_status.link_active && !stream->skip_edp_power_down)
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2211
disable_link(link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
2212
-
}
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switch (pipe_ctx->stream->signal) {
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case SIGNAL_TYPE_DISPLAY_PORT:
···
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dc->hwss.disable_stream(pipe_ctx);
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} else {
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2329
dc->hwss.disable_stream(pipe_ctx);
2329
-
disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
2330
+
if (!pipe_ctx->stream->skip_edp_power_down) {
2331
+
disable_link(pipe_ctx->stream->link, &pipe_ctx->link_res, pipe_ctx->stream->signal);
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+
}
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}
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if (pipe_ctx->stream->timing.flags.DSC) {