From: Nicholas Kazlauskas <[email protected]> [Why] If the command table isn't available then we can fallback to DMCUB offloading if it's enabled and available.
[How] Instead of assigning NULL for supported command table functions we can fallback to the DMCUB when it's available. Signed-off-by: Nicholas Kazlauskas <[email protected]> Reviewed-by: Wesley Chalmers <[email protected]> Acked-by: Bhawanpreet Lakha <[email protected]> --- .../drm/amd/display/dc/bios/command_table2.c | 74 ++++++++++++++++++- 1 file changed, 70 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c index 2cb7a4288cb7..c4ba6e84db65 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c @@ -89,6 +89,10 @@ static enum bp_result encoder_control_digx_v1_5( struct bios_parser *bp, struct bp_encoder_control *cntl); +static enum bp_result encoder_control_fallback( + struct bios_parser *bp, + struct bp_encoder_control *cntl); + static void init_dig_encoder_control(struct bios_parser *bp) { uint32_t version = @@ -100,7 +104,7 @@ static void init_dig_encoder_control(struct bios_parser *bp) break; default: dm_output_to_console("Don't have dig_encoder_control for v%d\n", version); - bp->cmd_tbl.dig_encoder_control = NULL; + bp->cmd_tbl.dig_encoder_control = encoder_control_fallback; break; } } @@ -184,6 +188,18 @@ static enum bp_result encoder_control_digx_v1_5( return result; } +static enum bp_result encoder_control_fallback( + struct bios_parser *bp, + struct bp_encoder_control *cntl) +{ + if (bp->base.ctx->dc->ctx->dmub_srv && + bp->base.ctx->dc->debug.dmub_command_table) { + return encoder_control_digx_v1_5(bp, cntl); + } + + return BP_RESULT_FAILURE; +} + /***************************************************************************** ****************************************************************************** ** @@ -196,6 +212,10 @@ static enum bp_result transmitter_control_v1_6( struct bios_parser *bp, struct bp_transmitter_control *cntl); +static enum bp_result transmitter_control_fallback( + struct bios_parser *bp, + struct bp_transmitter_control *cntl); + static void init_transmitter_control(struct bios_parser *bp) { uint8_t frev; @@ -209,7 +229,7 @@ static void init_transmitter_control(struct bios_parser *bp) break; default: dm_output_to_console("Don't have transmitter_control for v%d\n", crev); - bp->cmd_tbl.transmitter_control = NULL; + bp->cmd_tbl.transmitter_control = transmitter_control_fallback; break; } } @@ -273,6 +293,18 @@ static enum bp_result transmitter_control_v1_6( return result; } +static enum bp_result transmitter_control_fallback( + struct bios_parser *bp, + struct bp_transmitter_control *cntl) +{ + if (bp->base.ctx->dc->ctx->dmub_srv && + bp->base.ctx->dc->debug.dmub_command_table) { + return transmitter_control_v1_6(bp, cntl); + } + + return BP_RESULT_FAILURE; +} + /****************************************************************************** ****************************************************************************** ** @@ -285,6 +317,10 @@ static enum bp_result set_pixel_clock_v7( struct bios_parser *bp, struct bp_pixel_clock_parameters *bp_params); +static enum bp_result set_pixel_clock_fallback( + struct bios_parser *bp, + struct bp_pixel_clock_parameters *bp_params); + static void init_set_pixel_clock(struct bios_parser *bp) { switch (BIOS_CMD_TABLE_PARA_REVISION(setpixelclock)) { @@ -294,7 +330,7 @@ static void init_set_pixel_clock(struct bios_parser *bp) default: dm_output_to_console("Don't have set_pixel_clock for v%d\n", BIOS_CMD_TABLE_PARA_REVISION(setpixelclock)); - bp->cmd_tbl.set_pixel_clock = NULL; + bp->cmd_tbl.set_pixel_clock = set_pixel_clock_fallback; break; } } @@ -400,6 +436,18 @@ static enum bp_result set_pixel_clock_v7( return result; } +static enum bp_result set_pixel_clock_fallback( + struct bios_parser *bp, + struct bp_pixel_clock_parameters *bp_params) +{ + if (bp->base.ctx->dc->ctx->dmub_srv && + bp->base.ctx->dc->debug.dmub_command_table) { + return set_pixel_clock_v7(bp, bp_params); + } + + return BP_RESULT_FAILURE; +} + /****************************************************************************** ****************************************************************************** ** @@ -632,6 +680,11 @@ static enum bp_result enable_disp_power_gating_v2_1( enum controller_id crtc_id, enum bp_pipe_control_action action); +static enum bp_result enable_disp_power_gating_fallback( + struct bios_parser *bp, + enum controller_id crtc_id, + enum bp_pipe_control_action action); + static void init_enable_disp_power_gating( struct bios_parser *bp) { @@ -643,7 +696,7 @@ static void init_enable_disp_power_gating( default: dm_output_to_console("Don't enable_disp_power_gating enable_crtc for v%d\n", BIOS_CMD_TABLE_PARA_REVISION(enabledisppowergating)); - bp->cmd_tbl.enable_disp_power_gating = NULL; + bp->cmd_tbl.enable_disp_power_gating = enable_disp_power_gating_fallback; break; } } @@ -695,6 +748,19 @@ static enum bp_result enable_disp_power_gating_v2_1( return result; } +static enum bp_result enable_disp_power_gating_fallback( + struct bios_parser *bp, + enum controller_id crtc_id, + enum bp_pipe_control_action action) +{ + if (bp->base.ctx->dc->ctx->dmub_srv && + bp->base.ctx->dc->debug.dmub_command_table) { + return enable_disp_power_gating_v2_1(bp, crtc_id, action); + } + + return BP_RESULT_FAILURE; +} + /****************************************************************************** ******************************************************************************* ** -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
