diff options
| author | Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> | 2025-02-04 08:07:21 -0700 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-02-19 15:12:34 -0500 |
| commit | 098c9b58be2267a69d15403f6341e8c2da0d90a4 (patch) | |
| tree | 401187123d76dbee6f8d34f8be1e7c893c813a58 | |
| parent | 8ae6dfc0b61b170cf13832d4cfe2a0c744e621a7 (diff) | |
drm/amd/display: Add DCC/Tiling reset helper for DCN and DCE
This commit introduces a function helper for resetting DCN/DCE DCC and
tiling. Those functions are generic for their respective DCN/DCE, so
they were added to the oldest version of each architecture.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
4 files changed, 66 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.c index f1f14796a3da..b76350a9cf5f 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.c @@ -140,3 +140,32 @@ void dce100_hw_sequencer_construct(struct dc *dc) dc->hwss.optimize_bandwidth = dce100_optimize_bandwidth; } +/** + * dce100_reset_surface_dcc_and_tiling - Set DCC and tiling in DCE to their disable mode. + * + * @pipe_ctx: Pointer to the pipe context structure. + * @plane_state: Surface state + * @clear_tiling: If true set tiling to Linear, otherwise does not change tiling + * + * This function is responsible for call the HUBP block to disable DCC and set + * tiling to the linear mode. + */ +void dce100_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx, + struct dc_plane_state *plane_state, + bool clear_tiling) +{ + struct mem_input *mi = pipe_ctx->plane_res.mi; + + if (!mi) + return; + + /* if framebuffer is tiled, disable tiling */ + if (clear_tiling && mi->funcs->mem_input_clear_tiling) + mi->funcs->mem_input_clear_tiling(mi); + + /* force page flip to see the new content of the framebuffer */ + mi->funcs->mem_input_program_surface_flip_and_addr(mi, + &plane_state->address, + true); +} + diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.h index 34518da20009..fadfa794f96b 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dce100/dce100_hwseq.h @@ -46,5 +46,9 @@ bool dce100_enable_display_power_gating(struct dc *dc, uint8_t controller_id, struct dc_bios *dcb, enum pipe_gating_control power_gating); +void dce100_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx, + struct dc_plane_state *plane_state, + bool clear_tiling); + #endif /* __DC_HWSS_DCE100_H__ */ diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c index 35c0d101d7c8..301ef36d3d05 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c @@ -3920,3 +3920,32 @@ void dcn10_get_dcc_en_bits(struct dc *dc, int *dcc_en_bits) dcc_en_bits[i] = s->dcc_en ? 1 : 0; } } + +/** + * dcn10_reset_surface_dcc_and_tiling - Set DCC and tiling in DCN to their disable mode. + * + * @pipe_ctx: Pointer to the pipe context structure. + * @plane_state: Surface state + * @clear_tiling: If true set tiling to Linear, otherwise does not change tiling + * + * This function is responsible for call the HUBP block to disable DCC and set + * tiling to the linear mode. + */ +void dcn10_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx, + struct dc_plane_state *plane_state, + bool clear_tiling) +{ + struct hubp *hubp = pipe_ctx->plane_res.hubp; + + if (!hubp) + return; + + /* if framebuffer is tiled, disable tiling */ + if (clear_tiling && hubp->funcs->hubp_clear_tiling) + hubp->funcs->hubp_clear_tiling(hubp); + + /* force page flip to see the new content of the framebuffer */ + hubp->funcs->hubp_program_surface_flip_and_addr(hubp, + &plane_state->address, + true); +} diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.h b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.h index bc5dd68a2408..42ffd1e1299c 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.h +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.h @@ -207,4 +207,8 @@ void dcn10_update_visual_confirm_color( struct pipe_ctx *pipe_ctx, int mpcc_id); +void dcn10_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx, + struct dc_plane_state *plane_state, + bool clear_tiling); + #endif /* __DC_HWSS_DCN10_H__ */ |