Merge "disp: msm: sde: avoid secure display to secure camera transition" (f353c2f5) · Commits · e / devices / android_kernel_fairphone_FP4

msm/sde/sde_crtc.c

+22 −5

Original line number	Diff line number	Diff line
		@@ -4303,6 +4303,20 @@ static int _sde_crtc_check_secure_state_smmu_translation(struct drm_crtc *crtc,
		MSM_DISPLAY_VIDEO_MODE);
		}

		/*
		* Secure display to secure camera needs without direct
		* transition is currently not allowed
		*/
		if (fb_sec_dir && secure == SDE_DRM_SEC_NON_SEC &&
		smmu_state->state != ATTACHED &&
		smmu_state->secure_level == SDE_DRM_SEC_ONLY) {

		SDE_EVT32(DRMID(crtc), fb_ns, fb_sec_dir,
		smmu_state->state, smmu_state->secure_level,
		secure);
		goto sec_err;
		}

		/*
		* In video mode check for null commit before transition
		* from secure to non secure and vice versa
		@@ -4320,6 +4334,12 @@ static int _sde_crtc_check_secure_state_smmu_translation(struct drm_crtc *crtc,
		SDE_EVT32(DRMID(crtc), fb_ns, fb_sec_dir,
		smmu_state->state, smmu_state->secure_level,
		secure, crtc->state->plane_mask, state->plane_mask);
		goto sec_err;
		}

		return 0;

		sec_err:
		SDE_ERROR(
		"crtc%d Invalid transition;sec%d state%d slvl%d ns%d sdir%d\n",
		DRMID(crtc), secure, smmu_state->state,
		@@ -4327,9 +4347,6 @@ static int _sde_crtc_check_secure_state_smmu_translation(struct drm_crtc *crtc,
		return -EINVAL;
		}

		return 0;
		}

		static int _sde_crtc_check_secure_conn(struct drm_crtc *crtc,
		struct drm_crtc_state *state, uint32_t fb_sec)
		{