Commit 71dc6c08 authored by Krishna Manikandan's avatar Krishna Manikandan Committed by Rob Clark
Browse files

drm/msm/dpu: update bandwidth threshold check 



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: default avatarKrishna Manikandan <mkrishn@codeaurora.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 04d9044f

drivers/gpu/drm/msm/disp/dpu1/dpu_core_perf.c

+1 −22
Original line number Diff line number Diff line
@@ -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);

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c

+2 −2
Original line number Diff line number Diff line
@@ -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,

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