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| author | Charlene Liu <charlene.liu@amd.com> | 2017-03-24 16:54:02 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 17:21:13 -0400 |
| commit | fd8cc371ede63d69cf69bb3a8a9a005d91ae023f (patch) | |
| tree | d86c21a67a76cb5d3f499614b49faf7930854708 /drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | |
| parent | e902915507bd20115e1e21bc99ea36ea7986cebc (diff) | |
| download | linux-fd8cc371ede63d69cf69bb3a8a9a005d91ae023f.tar.gz linux-fd8cc371ede63d69cf69bb3a8a9a005d91ae023f.tar.bz2 linux-fd8cc371ede63d69cf69bb3a8a9a005d91ae023f.zip | |
drm/amd/display: voltage request related change
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c index 263f8900e39c..b4fd02219c2c 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c @@ -495,6 +495,7 @@ static void dce_clock_read_ss_info(struct dce_disp_clk *clk_dce) } } + static bool dce_apply_clock_voltage_request( struct display_clock *clk, enum dm_pp_clock_type clocks_type, @@ -502,6 +503,7 @@ static bool dce_apply_clock_voltage_request( bool pre_mode_set, bool update_dp_phyclk) { + bool send_request = false; struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; switch (clocks_type) { @@ -522,9 +524,8 @@ static bool dce_apply_clock_voltage_request( switch (clocks_type) { case DM_PP_CLOCK_TYPE_DISPLAY_CLK: if (clocks_in_khz > clk->cur_clocks_value.dispclk_in_khz) { - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); clk->cur_clocks_value.dispclk_notify_pplib_done = true; + send_request = true; } else clk->cur_clocks_value.dispclk_notify_pplib_done = false; /* no matter incrase or decrase clock, update current clock value */ @@ -532,9 +533,8 @@ static bool dce_apply_clock_voltage_request( break; case DM_PP_CLOCK_TYPE_PIXELCLK: if (clocks_in_khz > clk->cur_clocks_value.max_pixelclk_in_khz) { - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); clk->cur_clocks_value.pixelclk_notify_pplib_done = true; + send_request = true; } else clk->cur_clocks_value.pixelclk_notify_pplib_done = false; /* no matter incrase or decrase clock, update current clock value */ @@ -542,9 +542,8 @@ static bool dce_apply_clock_voltage_request( break; case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: if (clocks_in_khz > clk->cur_clocks_value.max_non_dp_phyclk_in_khz) { - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); clk->cur_clocks_value.phyclk_notigy_pplib_done = true; + send_request = true; } else clk->cur_clocks_value.phyclk_notigy_pplib_done = false; /* no matter incrase or decrase clock, update current clock value */ @@ -554,29 +553,30 @@ static bool dce_apply_clock_voltage_request( ASSERT(0); break; } + } else { switch (clocks_type) { case DM_PP_CLOCK_TYPE_DISPLAY_CLK: if (!clk->cur_clocks_value.dispclk_notify_pplib_done) - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); + send_request = true; break; case DM_PP_CLOCK_TYPE_PIXELCLK: if (!clk->cur_clocks_value.pixelclk_notify_pplib_done) - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); + send_request = true; break; case DM_PP_CLOCK_TYPE_DISPLAYPHYCLK: if (!clk->cur_clocks_value.phyclk_notigy_pplib_done) - dm_pp_apply_clock_for_voltage_request( - clk->ctx, &clock_voltage_req); + send_request = true; break; default: ASSERT(0); break; } } - + if (send_request) { + dm_pp_apply_clock_for_voltage_request( + clk->ctx, &clock_voltage_req); + } if (update_dp_phyclk && (clocks_in_khz > clk->cur_clocks_value.max_dp_phyclk_in_khz)) clk->cur_clocks_value.max_dp_phyclk_in_khz = clocks_in_khz; @@ -584,6 +584,7 @@ static bool dce_apply_clock_voltage_request( return true; } + static const struct display_clock_funcs dce120_funcs = { .get_dp_ref_clk_frequency = dce_clocks_get_dp_ref_freq, .apply_clock_voltage_request = dce_apply_clock_voltage_request, |