From: Charlene Liu <charlene....@amd.com>
[why]
DPP CLK enable needs to disable DPPCLK RCG first.
The DPPCLK_en in dccg should always be enabled when the corresponding
pipe is enabled.
Reviewed-by: Hansen Dsouza <hansen.dso...@amd.com>
Signed-off-by: Charlene Liu <charlene....@amd.com>
Signed-off-by: Ray Wu <ray...@amd.com>
---
.../amd/display/dc/dccg/dcn35/dcn35_dccg.c | 38 ++++++++++++-------
.../amd/display/dc/hwss/dcn35/dcn35_hwseq.c | 21 ++++++----
2 files changed, 38 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
index 6c5d6956612e..58c84f555c0f 100644
--- a/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
+++ b/drivers/gpu/drm/amd/display/dc/dccg/dcn35/dcn35_dccg.c
@@ -391,6 +391,7 @@ static void dccg35_set_dppclk_rcg(struct dccg *dccg,
struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dpp && enable)
return;
@@ -411,6 +412,8 @@ static void dccg35_set_dppclk_rcg(struct dccg *dccg,
BREAK_TO_DEBUGGER();
break;
}
+ //DC_LOG_DEBUG("%s: inst(%d) DPPCLK rcg_disable: %d\n", __func__, inst,
enable ? 0 : 1);
+
}
static void dccg35_set_dpstreamclk_rcg(
@@ -1113,30 +1116,24 @@ static void dcn35_set_dppclk_enable(struct dccg *dccg,
{
struct dcn_dccg *dccg_dcn = TO_DCN_DCCG(dccg);
+
switch (dpp_inst) {
case 0:
REG_UPDATE(DPPCLK_CTRL, DPPCLK0_EN, enable);
- if (dccg->ctx->dc->debug.root_clock_optimization.bits.dpp)
- REG_UPDATE(DCCG_GATE_DISABLE_CNTL6,
DPPCLK0_ROOT_GATE_DISABLE, enable);
break;
case 1:
REG_UPDATE(DPPCLK_CTRL, DPPCLK1_EN, enable);
- if (dccg->ctx->dc->debug.root_clock_optimization.bits.dpp)
- REG_UPDATE(DCCG_GATE_DISABLE_CNTL6,
DPPCLK1_ROOT_GATE_DISABLE, enable);
break;
case 2:
REG_UPDATE(DPPCLK_CTRL, DPPCLK2_EN, enable);
- if (dccg->ctx->dc->debug.root_clock_optimization.bits.dpp)
- REG_UPDATE(DCCG_GATE_DISABLE_CNTL6,
DPPCLK2_ROOT_GATE_DISABLE, enable);
break;
case 3:
REG_UPDATE(DPPCLK_CTRL, DPPCLK3_EN, enable);
- if (dccg->ctx->dc->debug.root_clock_optimization.bits.dpp)
- REG_UPDATE(DCCG_GATE_DISABLE_CNTL6,
DPPCLK3_ROOT_GATE_DISABLE, enable);
break;
default:
break;
}
+ //DC_LOG_DEBUG("%s: dpp_inst(%d) DPPCLK_EN = %d\n", __func__, dpp_inst,
enable);
}
@@ -1164,14 +1161,18 @@ static void dccg35_update_dpp_dto(struct dccg *dccg,
int dpp_inst,
ASSERT(false);
phase = 0xff;
}
+ dccg35_set_dppclk_rcg(dccg, dpp_inst, false);
REG_SET_2(DPPCLK_DTO_PARAM[dpp_inst], 0,
DPPCLK0_DTO_PHASE, phase,
DPPCLK0_DTO_MODULO, modulo);
dcn35_set_dppclk_enable(dccg, dpp_inst, true);
- } else
+ } else {
dcn35_set_dppclk_enable(dccg, dpp_inst, false);
+ /*we have this in hwss: disable_plane*/
+ //dccg35_set_dppclk_rcg(dccg, dpp_inst, true);
+ }
dccg->pipe_dppclk_khz[dpp_inst] = req_dppclk;
}
@@ -1183,6 +1184,7 @@ static void dccg35_set_dppclk_root_clock_gating(struct
dccg *dccg,
if (!dccg->ctx->dc->debug.root_clock_optimization.bits.dpp)
return;
+
switch (dpp_inst) {
case 0:
REG_UPDATE(DCCG_GATE_DISABLE_CNTL6, DPPCLK0_ROOT_GATE_DISABLE,
enable);
@@ -1199,6 +1201,8 @@ static void dccg35_set_dppclk_root_clock_gating(struct
dccg *dccg,
default:
break;
}
+ //DC_LOG_DEBUG("%s: dpp_inst(%d) rcg: %d\n", __func__, dpp_inst,
enable);
+
}
static void dccg35_get_pixel_rate_div(
@@ -1522,28 +1526,30 @@ static void dccg35_set_physymclk_root_clock_gating(
switch (phy_inst) {
case 0:
REG_UPDATE(DCCG_GATE_DISABLE_CNTL2,
- PHYASYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0);
+ PHYASYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1);
break;
case 1:
REG_UPDATE(DCCG_GATE_DISABLE_CNTL2,
- PHYBSYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0);
+ PHYBSYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1);
break;
case 2:
REG_UPDATE(DCCG_GATE_DISABLE_CNTL2,
- PHYCSYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0);
+ PHYCSYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1);
break;
case 3:
REG_UPDATE(DCCG_GATE_DISABLE_CNTL2,
- PHYDSYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0);
+ PHYDSYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1);
break;
case 4:
REG_UPDATE(DCCG_GATE_DISABLE_CNTL2,
- PHYESYMCLK_ROOT_GATE_DISABLE, enable ? 1 : 0);
+ PHYESYMCLK_ROOT_GATE_DISABLE, enable ? 0 : 1);
break;
default:
BREAK_TO_DEBUGGER();
return;
}
+ //DC_LOG_DEBUG("%s: dpp_inst(%d) PHYESYMCLK_ROOT_GATE_DISABLE:\n",
__func__, phy_inst, enable ? 0 : 1);
+
}
static void dccg35_set_physymclk(
@@ -1644,6 +1650,8 @@ static void dccg35_dpp_root_clock_control(
return;
if (clock_on) {
+ dccg35_set_dppclk_rcg(dccg, dpp_inst, false);
+
/* turn off the DTO and leave phase/modulo at max */
dcn35_set_dppclk_enable(dccg, dpp_inst, 1);
REG_SET_2(DPPCLK_DTO_PARAM[dpp_inst], 0,
@@ -1655,6 +1663,8 @@ static void dccg35_dpp_root_clock_control(
REG_SET_2(DPPCLK_DTO_PARAM[dpp_inst], 0,
DPPCLK0_DTO_PHASE, 0,
DPPCLK0_DTO_MODULO, 1);
+ /*we have this in hwss: disable_plane*/
+ //dccg35_set_dppclk_rcg(dccg, dpp_inst, true);
}
dccg->dpp_clock_gated[dpp_inst] = !clock_on;
diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
index 922b8d71cf1a..63077c1fad85 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn35/dcn35_hwseq.c
@@ -241,11 +241,6 @@ void dcn35_init_hw(struct dc *dc)
dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
}
- if (res_pool->dccg->funcs->dccg_root_gate_disable_control) {
- for (i = 0; i < res_pool->pipe_count; i++)
-
res_pool->dccg->funcs->dccg_root_gate_disable_control(res_pool->dccg, i, 0);
- }
-
for (i = 0; i < res_pool->audio_count; i++) {
struct audio *audio = res_pool->audios[i];
@@ -901,12 +896,18 @@ void dcn35_init_pipes(struct dc *dc, struct dc_state
*context)
void dcn35_enable_plane(struct dc *dc, struct pipe_ctx *pipe_ctx,
struct dc_state *context)
{
+ struct dpp *dpp = pipe_ctx->plane_res.dpp;
+ struct dccg *dccg = dc->res_pool->dccg;
+
+
/* enable DCFCLK current DCHUB */
pipe_ctx->plane_res.hubp->funcs->hubp_clk_cntl(pipe_ctx->plane_res.hubp, true);
/* initialize HUBP on power up */
pipe_ctx->plane_res.hubp->funcs->hubp_init(pipe_ctx->plane_res.hubp);
-
+ /*make sure DPPCLK is on*/
+ dccg->funcs->dccg_root_gate_disable_control(dccg, dpp->inst, true);
+ dpp->funcs->dpp_dppclk_control(dpp, false, true);
/* make sure OPP_PIPE_CLOCK_EN = 1 */
pipe_ctx->stream_res.opp->funcs->opp_pipe_clock_control(
pipe_ctx->stream_res.opp,
@@ -923,6 +924,7 @@ void dcn35_enable_plane(struct dc *dc, struct pipe_ctx
*pipe_ctx,
// Program system aperture settings
pipe_ctx->plane_res.hubp->funcs->hubp_set_vm_system_aperture_settings(pipe_ctx->plane_res.hubp,
&apt);
}
+ //DC_LOG_DEBUG("%s: dpp_inst(%d) =\n", __func__, dpp->inst);
if (!pipe_ctx->top_pipe
&& pipe_ctx->plane_state
@@ -938,6 +940,8 @@ void dcn35_plane_atomic_disable(struct dc *dc, struct
pipe_ctx *pipe_ctx)
{
struct hubp *hubp = pipe_ctx->plane_res.hubp;
struct dpp *dpp = pipe_ctx->plane_res.dpp;
+ struct dccg *dccg = dc->res_pool->dccg;
+
dc->hwss.wait_for_mpcc_disconnect(dc, dc->res_pool, pipe_ctx);
@@ -955,7 +959,8 @@ void dcn35_plane_atomic_disable(struct dc *dc, struct
pipe_ctx *pipe_ctx)
hubp->funcs->hubp_clk_cntl(hubp, false);
dpp->funcs->dpp_dppclk_control(dpp, false, false);
-/*to do, need to support both case*/
+ dccg->funcs->dccg_root_gate_disable_control(dccg, dpp->inst, false);
+
hubp->power_gated = true;
hubp->funcs->hubp_reset(hubp);
@@ -967,6 +972,8 @@ void dcn35_plane_atomic_disable(struct dc *dc, struct
pipe_ctx *pipe_ctx)
pipe_ctx->top_pipe = NULL;
pipe_ctx->bottom_pipe = NULL;
pipe_ctx->plane_state = NULL;
+ //DC_LOG_DEBUG("%s: dpp_inst(%d)=\n", __func__, dpp->inst);
+
}
void dcn35_disable_plane(struct dc *dc, struct dc_state *state, struct
pipe_ctx *pipe_ctx)
--
2.43.0
