drm/msm/dpu: fix for cursor blend issue

}

static void _dpu_crtc_setup_blend_cfg(struct dpu_crtc_mixer *mixer,

		struct dpu_plane_state *pstate)

		struct dpu_plane_state *pstate, struct dpu_format *format)

{

	struct dpu_hw_mixer *lm = mixer->hw_lm;

	uint32_t blend_op;

	struct drm_format_name_buf format_name;

	/* default to opaque blending */

	lm->ops.setup_blend_config(lm, pstate->stage, 0XFF, 0,

				DPU_BLEND_FG_ALPHA_FG_CONST |

				DPU_BLEND_BG_ALPHA_BG_CONST);

	blend_op = DPU_BLEND_FG_ALPHA_FG_CONST |

		DPU_BLEND_BG_ALPHA_BG_CONST;

	if (format->alpha_enable) {

		/* coverage blending */

		blend_op = DPU_BLEND_FG_ALPHA_FG_PIXEL |

			DPU_BLEND_BG_ALPHA_FG_PIXEL |

			DPU_BLEND_BG_INV_ALPHA;

	}

	lm->ops.setup_blend_config(lm, pstate->stage,

				0xFF, 0, blend_op);

	DPU_DEBUG("format:%s, alpha_en:%u blend_op:0x%x\n",

		drm_get_format_name(format->base.pixel_format, &format_name),

		format->alpha_enable, blend_op);

}

static void _dpu_crtc_program_lm_output_roi(struct drm_crtc *crtc)

		/* blend config update */

		for (lm_idx = 0; lm_idx < dpu_crtc->num_mixers; lm_idx++) {

			_dpu_crtc_setup_blend_cfg(mixer + lm_idx, pstate);

			_dpu_crtc_setup_blend_cfg(mixer + lm_idx,

						pstate, format);

			mixer[lm_idx].flush_mask |= flush_mask;