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-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_resource.c6
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_hw_types.h2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/Makefile10
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c3
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c33
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h1
9 files changed, 52 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 7a309547c..f415733f1 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1903,6 +1903,10 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
wait_for_no_pipes_pending(dc, context);
/* pplib is notified if disp_num changed */
dc->hwss.optimize_bandwidth(dc, context);
+ /* Need to do otg sync again as otg could be out of sync due to otg
+ * workaround applied during clock update
+ */
+ dc_trigger_sync(dc, context);
}
if (dc->hwss.update_dsc_pg)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
index af110bf94..aefca9756 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpcd.c
@@ -202,7 +202,7 @@ enum dc_status core_link_read_dpcd(
uint32_t extended_size;
/* size of the remaining partitioned address space */
uint32_t size_left_to_read;
- enum dc_status status;
+ enum dc_status status = DC_ERROR_UNEXPECTED;
/* size of the next partition to be read from */
uint32_t partition_size;
uint32_t data_index = 0;
@@ -231,7 +231,7 @@ enum dc_status core_link_write_dpcd(
{
uint32_t partition_size;
uint32_t data_index = 0;
- enum dc_status status;
+ enum dc_status status = DC_ERROR_UNEXPECTED;
while (size) {
partition_size = dpcd_get_next_partition_size(address, size);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 66923f510..e2f80cd0c 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -3038,6 +3038,12 @@ static void set_avi_info_frame(
hdmi_info.bits.C0_C1 = COLORIMETRY_EXTENDED;
}
+ if (pixel_encoding && color_space == COLOR_SPACE_2020_YCBCR &&
+ stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) {
+ hdmi_info.bits.EC0_EC2 = 0;
+ hdmi_info.bits.C0_C1 = COLORIMETRY_ITU709;
+ }
+
/* TODO: un-hardcode aspect ratio */
aspect = stream->timing.aspect_ratio;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
index 46c2b991a..811c11766 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h
@@ -244,7 +244,7 @@ enum pixel_format {
#define DC_MAX_DIRTY_RECTS 3
struct dc_flip_addrs {
struct dc_plane_address address;
- unsigned int flip_timestamp_in_us;
+ unsigned long long flip_timestamp_in_us;
bool flip_immediate;
/* TODO: add flip duration for FreeSync */
bool triplebuffer_flips;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
index f04595b75..5ec3f50a7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c
@@ -1014,7 +1014,7 @@ static struct stream_encoder *dcn301_stream_encoder_create(enum engine_id eng_id
vpg = dcn301_vpg_create(ctx, vpg_inst);
afmt = dcn301_afmt_create(ctx, afmt_inst);
- if (!enc1 || !vpg || !afmt) {
+ if (!enc1 || !vpg || !afmt || eng_id >= ARRAY_SIZE(stream_enc_regs)) {
kfree(enc1);
kfree(vpg);
kfree(afmt);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile
index ca7d24000..6c7b286e1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile
@@ -51,8 +51,12 @@ endif
endif
ifneq ($(CONFIG_FRAME_WARN),0)
+ifeq ($(filter y,$(CONFIG_KASAN)$(CONFIG_KCSAN)),y)
+frame_warn_flag := -Wframe-larger-than=3072
+else
frame_warn_flag := -Wframe-larger-than=2048
endif
+endif
CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_lib.o := $(dml_ccflags)
@@ -60,11 +64,11 @@ ifdef CONFIG_DRM_AMD_DC_DCN
CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_vba.o := $(dml_ccflags)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn10/dcn10_fpu.o := $(dml_ccflags)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/dcn20_fpu.o := $(dml_ccflags)
-CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20.o := $(dml_ccflags)
+CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20.o := $(dml_ccflags) $(frame_warn_flag)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20.o := $(dml_ccflags)
-CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20v2.o := $(dml_ccflags)
+CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_mode_vba_20v2.o := $(dml_ccflags) $(frame_warn_flag)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn20/display_rq_dlg_calc_20v2.o := $(dml_ccflags)
-CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_mode_vba_21.o := $(dml_ccflags)
+CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_mode_vba_21.o := $(dml_ccflags) $(frame_warn_flag)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_rq_dlg_calc_21.o := $(dml_ccflags)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_mode_vba_30.o := $(dml_ccflags) $(frame_warn_flag)
CFLAGS_$(AMDDALPATH)/dc/dml/dcn30/display_rq_dlg_calc_30.o := $(dml_ccflags)
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
index 19f556572..cc8c1a48c 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_32.c
@@ -810,6 +810,8 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
(v->DRAMSpeedPerState[mode_lib->vba.VoltageLevel] <= MEM_STROBE_FREQ_MHZ ||
v->DCFCLKPerState[mode_lib->vba.VoltageLevel] <= DCFCLK_FREQ_EXTRA_PREFETCH_REQ_MHZ) ?
mode_lib->vba.ip.min_prefetch_in_strobe_us : 0,
+ mode_lib->vba.PrefetchModePerState[mode_lib->vba.VoltageLevel][mode_lib->vba.maxMpcComb] > 0 || mode_lib->vba.DRAMClockChangeRequirementFinal == false,
+
/* Output */
&v->DSTXAfterScaler[k],
&v->DSTYAfterScaler[k],
@@ -3291,6 +3293,7 @@ void dml32_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
v->SwathHeightCThisState[k], v->TWait,
(v->DRAMSpeedPerState[i] <= MEM_STROBE_FREQ_MHZ || v->DCFCLKState[i][j] <= DCFCLK_FREQ_EXTRA_PREFETCH_REQ_MHZ) ?
mode_lib->vba.ip.min_prefetch_in_strobe_us : 0,
+ mode_lib->vba.PrefetchModePerState[i][j] > 0 || mode_lib->vba.DRAMClockChangeRequirementFinal == false,
/* Output */
&v->dummy_vars.dml32_ModeSupportAndSystemConfigurationFull.DSTXAfterScaler[k],
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
index 23e4be2ad..7f4fc49be 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c
@@ -3418,6 +3418,7 @@ bool dml32_CalculatePrefetchSchedule(
unsigned int SwathHeightC,
double TWait,
double TPreReq,
+ bool ExtendPrefetchIfPossible,
/* Output */
double *DSTXAfterScaler,
double *DSTYAfterScaler,
@@ -3887,12 +3888,32 @@ bool dml32_CalculatePrefetchSchedule(
/* Clamp to oto for bandwidth calculation */
LinesForPrefetchBandwidth = dst_y_prefetch_oto;
} else {
- *DestinationLinesForPrefetch = dst_y_prefetch_equ;
- TimeForFetchingMetaPTE = Tvm_equ;
- TimeForFetchingRowInVBlank = Tr0_equ;
- *PrefetchBandwidth = prefetch_bw_equ;
- /* Clamp to equ for bandwidth calculation */
- LinesForPrefetchBandwidth = dst_y_prefetch_equ;
+ /* For mode programming we want to extend the prefetch as much as possible
+ * (up to oto, or as long as we can for equ) if we're not already applying
+ * the 60us prefetch requirement. This is to avoid intermittent underflow
+ * issues during prefetch.
+ *
+ * The prefetch extension is applied under the following scenarios:
+ * 1. We're in prefetch mode > 0 (i.e. we don't support MCLK switch in blank)
+ * 2. We're using subvp or drr methods of p-state switch, in which case we
+ * we don't care if prefetch takes up more of the blanking time
+ *
+ * Mode programming typically chooses the smallest prefetch time possible
+ * (i.e. highest bandwidth during prefetch) presumably to create margin between
+ * p-states / c-states that happen in vblank and prefetch. Therefore we only
+ * apply this prefetch extension when p-state in vblank is not required (UCLK
+ * p-states take up the most vblank time).
+ */
+ if (ExtendPrefetchIfPossible && TPreReq == 0 && VStartup < MaxVStartup) {
+ MyError = true;
+ } else {
+ *DestinationLinesForPrefetch = dst_y_prefetch_equ;
+ TimeForFetchingMetaPTE = Tvm_equ;
+ TimeForFetchingRowInVBlank = Tr0_equ;
+ *PrefetchBandwidth = prefetch_bw_equ;
+ /* Clamp to equ for bandwidth calculation */
+ LinesForPrefetchBandwidth = dst_y_prefetch_equ;
+ }
}
*DestinationLinesToRequestVMInVBlank = dml_ceil(4.0 * TimeForFetchingMetaPTE / LineTime, 1.0) / 4.0;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
index 779c6805f..1823434d8 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.h
@@ -744,6 +744,7 @@ bool dml32_CalculatePrefetchSchedule(
unsigned int SwathHeightC,
double TWait,
double TPreReq,
+ bool ExtendPrefetchIfPossible,
/* Output */
double *DSTXAfterScaler,
double *DSTYAfterScaler,