diff options
| author | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2021-06-11 10:31:04 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-11 16:04:04 -0400 |
| commit | fb59a9209cba7d2bc9eaf3e8b54bdde89640b0b4 (patch) | |
| tree | edca300cd17114a12efa0fd427356504e1ff0573 | |
| parent | ac3fbe3b2cc862b26431476dce8f7758db301789 (diff) | |
drm/amd/display: add dummy PG callback for beige goby
[Why&How]
PG registers are absent in beige goby, so programming these registers
generate call trace. Fix this by adding a dummy function in dcn303
initialization function which prevents writing to non existant registers.
Fixes: cd6d421e3d1ad5 ("drm/amd/display: Initial DC support for Beige Goby")
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn303/dcn303_init.c | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.c index dc33ec8b7bdb..b48b732aa647 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.c @@ -38,3 +38,8 @@ void dcn303_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool po { /*DCN303 removes PG registers*/ } + +void dcn303_enable_power_gating_plane(struct dce_hwseq *hws, bool enable) +{ + /*DCN303 removes PG registers*/ +} diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.h index fc6cab720b6d..8b69a3b76c11 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_hwseq.h @@ -13,5 +13,6 @@ void dcn303_dpp_pg_control(struct dce_hwseq *hws, unsigned int dpp_inst, bool power_on); void dcn303_hubp_pg_control(struct dce_hwseq *hws, unsigned int hubp_inst, bool power_on); void dcn303_dsc_pg_control(struct dce_hwseq *hws, unsigned int dsc_inst, bool power_on); +void dcn303_enable_power_gating_plane(struct dce_hwseq *hws, bool enable); #endif /* __DC_HWSS_DCN303_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_init.c b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_init.c index 86d4b303d02f..aa5dbbade2bd 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_init.c @@ -16,4 +16,5 @@ void dcn303_hw_sequencer_construct(struct dc *dc) dc->hwseq->funcs.dpp_pg_control = dcn303_dpp_pg_control; dc->hwseq->funcs.hubp_pg_control = dcn303_hubp_pg_control; dc->hwseq->funcs.dsc_pg_control = dcn303_dsc_pg_control; + dc->hwseq->funcs.enable_power_gating_plane = dcn303_enable_power_gating_plane; } |