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drm/msm/dpu: update bandwidth threshold check

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Maximum allowed bandwidth  has no dependency on the type
of panel used. Hence, cleanup the code to use max_bw_high
as the threshold value for bandwidth checks.

Update the maximum allowed bandwidth as 6.8Gbps for
SC7180 target.

Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Krishna Manikandan 2020-05-04 19:01:03 +05:30 committed by Rob Clark
parent 04d9044f6c
commit 71dc6c08e4
2 changed files with 3 additions and 24 deletions
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23
drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c
View File

@ -103,22 +103,6 @@ static struct dpu_kms *_dpu_crtc_get_kms(struct drm_crtc *crtc)
return to_dpu_kms(priv->kms);
}
static bool _dpu_core_video_mode_intf_connected(struct drm_crtc *crtc)
{
struct drm_crtc *tmp_crtc;
drm_for_each_crtc(tmp_crtc, crtc->dev) {
if ((dpu_crtc_get_intf_mode(tmp_crtc) == INTF_MODE_VIDEO) &&
tmp_crtc->enabled) {
DPU_DEBUG("video interface connected crtc:%d\n",
tmp_crtc->base.id);
return true;
}
}
return false;
}
static void _dpu_core_perf_calc_crtc(struct dpu_kms *kms,
struct drm_crtc *crtc,
struct drm_crtc_state *state,
@ -160,7 +144,6 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
u32 bw, threshold;
u64 bw_sum_of_intfs = 0;
enum dpu_crtc_client_type curr_client_type;
bool is_video_mode;
struct dpu_crtc_state *dpu_cstate;
struct drm_crtc *tmp_crtc;
struct dpu_kms *kms;
@ -206,11 +189,7 @@ int dpu_core_perf_crtc_check(struct drm_crtc *crtc,
bw = DIV_ROUND_UP_ULL(bw_sum_of_intfs, 1000);
DPU_DEBUG("calculated bandwidth=%uk\n", bw);
is_video_mode = dpu_crtc_get_intf_mode(crtc) == INTF_MODE_VIDEO;
threshold = (is_video_mode ||
_dpu_core_video_mode_intf_connected(crtc)) ?
kms->catalog->perf.max_bw_low :
kms->catalog->perf.max_bw_high;
threshold = kms->catalog->perf.max_bw_high;
DPU_DEBUG("final threshold bw limit = %d\n", threshold);

4
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
View File

@ -537,8 +537,8 @@ static const struct dpu_perf_cfg sdm845_perf_data = {
};
static const struct dpu_perf_cfg sc7180_perf_data = {
.max_bw_low = 3900000,
.max_bw_high = 5500000,
.max_bw_low = 6800000,
.max_bw_high = 6800000,
.min_core_ib = 2400000,
.min_llcc_ib = 800000,
.min_dram_ib = 1600000,