Merge "msm: sde: update histogram buffer submission for ltm" (56d549f4) · Commits · e / devices / android_kernel_fairphone_FP4

msm/sde/sde_color_processing.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -2774,10 +2774,15 @@ static void _sde_cp_crtc_queue_ltm_buffer(struct sde_crtc sde_crtc, void cfg)
		struct sde_hw_cp_cfg *hw_cfg = cfg;
		struct drm_msm_ltm_buffer *buf;
		struct drm_msm_ltm_stats_data *ltm_data = NULL;
		struct sde_ltm_buffer *free_buf;
		u32 i;
		bool found = false, already = false;
		unsigned long irq_flags;
		struct sde_ltm_buffer buffer = NULL, n = NULL;
		u64 addr = 0;
		bool submit_buf = false;
		uint32_t num_mixers = 0;
		struct sde_hw_dspp *hw_dspp = NULL;

		if (!sde_crtc \|\| !cfg) {
		DRM_ERROR("invalid parameters sde_crtc %pK cfg %pK\n", sde_crtc,
		@@ -2790,6 +2795,7 @@ static void _sde_cp_crtc_queue_ltm_buffer(struct sde_crtc sde_crtc, void cfg)
		DRM_ERROR("invalid parameters payload %pK\n", buf);
		return;
		}
		num_mixers = sde_crtc->num_mixers;

		spin_lock_irqsave(&sde_crtc->ltm_lock, irq_flags);
		if (!sde_crtc->ltm_buffer_cnt) {
		@@ -2798,6 +2804,8 @@ static void _sde_cp_crtc_queue_ltm_buffer(struct sde_crtc sde_crtc, void cfg)
		return;
		}

		if (list_empty(&sde_crtc->ltm_buf_free))
		submit_buf = true;
		for (i = 0; i < LTM_BUFFER_SIZE; i++) {
		if (sde_crtc->ltm_buffers[i] && buf->fd ==
		sde_crtc->ltm_buffers[i]->drm_fb_id) {
		@@ -2818,6 +2826,20 @@ static void _sde_cp_crtc_queue_ltm_buffer(struct sde_crtc sde_crtc, void cfg)
		found = true;
		}
		}
		if (submit_buf && found) {
		free_buf = list_first_entry(&sde_crtc->ltm_buf_free,
		struct sde_ltm_buffer, node);
		addr = free_buf->iova + free_buf->offset;

		for (i = 0; i < num_mixers; i++) {
		hw_dspp = sde_crtc->mixers[i].hw_dspp;
		if (!hw_dspp) {
		DRM_ERROR("invalid dspp for mixer %d\n", i);
		break;
		}
		hw_dspp->ops.setup_ltm_hist_buffer(hw_dspp, addr);
		}
		}
		spin_unlock_irqrestore(&sde_crtc->ltm_lock, irq_flags);

		if (!found)