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drm/amd/display: Enable DCN clock gating

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Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hersen Wu 2017-05-30 15:26:14 -04:00 committed by Alex Deucher
parent 1605b3bef8
commit 5970f2aecc
2 changed files with 53 additions and 19 deletions
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68
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View File

@ -516,12 +516,14 @@ static void power_on_plane(
/* disable clock power gating */
/* DCCG_GATE_DISABLE_CNTL only has one instance */
HWSEQ_REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL,
DISPCLK_DCCG_GATE_DISABLE, 1,
DPPCLK_GATE_DISABLE, 1);
/* DCFCLK_CNTL only has one instance */
HWSEQ_REG_UPDATE(DCFCLK_CNTL,
DCFCLK_GATE_DIS, 1);
if (ctx->dc->debug.disable_clock_gate) {
HWSEQ_REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL,
DISPCLK_DCCG_GATE_DISABLE, 1,
DPPCLK_GATE_DISABLE, 1);
/* DCFCLK_CNTL only has one instance */
HWSEQ_REG_UPDATE(DCFCLK_CNTL,
DCFCLK_GATE_DIS, 1);
}
HWSEQ_REG_SET(DC_IP_REQUEST_CNTL,
IP_REQUEST_EN, 1);
@ -533,14 +535,6 @@ static void power_on_plane(
if (ctx->dc->debug.disable_clock_gate) {
HWSEQ_REG_UPDATE(DCCG_GATE_DISABLE_CNTL,
DISPCLK_DCCG_GATE_DISABLE, 0);
} else {
/* DCCG_GATE_DISABLE_CNTL only has one instance. inst_offset = 0 */
HWSEQ_REG_UPDATE_2(DCCG_GATE_DISABLE_CNTL,
DISPCLK_DCCG_GATE_DISABLE, 0,
DPPCLK_GATE_DISABLE, 0);
/* DCFCLK_CNTL only has one instance. inst_offset = 0 */
HWSEQ_REG_UPDATE(DCFCLK_CNTL,
DCFCLK_GATE_DIS, 0);
}
}
@ -666,14 +660,58 @@ static void init_hw(struct core_dc *dc)
FD(DIO_MEM_PWR_CTRL__HDMI5_MEM_PWR_FORCE), 0,
FD(DIO_MEM_PWR_CTRL__HDMI6_MEM_PWR_FORCE), 0);
if (!dc->public.debug.disable_clock_gate) {
/* enable all DCN clock gating */
generic_reg_set_soc15(dc->ctx, 0, DCCG_GATE_DISABLE_CNTL, 19,
FD(DCCG_GATE_DISABLE_CNTL__DISPCLK_DCCG_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DISPCLK_R_DCCG_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__SOCCLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DPREFCLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DACACLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DVOACLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DPREFCLK_R_DCCG_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DPPCLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__AOMCLK0_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__AOMCLK1_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__AOMCLK2_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__AUDIO_DTO2_CLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DPREFCLK_GTC_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__UNB_DB_CLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__REFCLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__REFCLK_R_DIG_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__DSICLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__BYTECLK_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL__ESCCLK_GATE_DISABLE), 0);
generic_reg_set_soc15(dc->ctx, 0, DCCG_GATE_DISABLE_CNTL2, 14,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKA_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKB_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKC_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKD_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKE_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKF_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKG_FE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKA_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKB_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKC_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKD_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKE_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKF_GATE_DISABLE), 0,
FD(DCCG_GATE_DISABLE_CNTL2__SYMCLKG_GATE_DISABLE), 0);
generic_reg_update_soc15(dc->ctx, 0, DCFCLK_CNTL, 1,
FD(DCFCLK_CNTL__DCFCLK_GATE_DIS), 0);
}
/* This power gating should be one-time program for DAL.
* It can only change by registry key
* TODO: new task will for this.
* if power gating is disable, power_on_plane and power_off_plane
* should be skip. Otherwise, hand will be met in power_off_plane
*/
enable_power_gating_plane(dc->ctx, true);
}
static enum dc_status dcn10_prog_pixclk_crtc_otg(

4
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
View File

@ -426,8 +426,6 @@ static const struct resource_caps res_cap = {
static const struct dc_debug debug_defaults_drv = {
.disable_dcc = false,
.disable_dpp_power_gate = false,
.disable_hubp_power_gate = false,
.disable_dmcu = true,
.force_abm_enable = false,
.timing_trace = false,
@ -440,8 +438,6 @@ static const struct dc_debug debug_defaults_drv = {
};
static const struct dc_debug debug_defaults_diags = {
.disable_dpp_power_gate = false,
.disable_hubp_power_gate = false,
.disable_clock_gate = true,
.disable_dmcu = true,
.force_abm_enable = false,