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Wed, 27 May 2020 11:50:58 -0400 (EDT) From: Maxime Ripard To: Nicolas Saenz Julienne , Eric Anholt Subject: [PATCH v3 064/105] drm/vc4: crtc: Change the HVS5 test for of_device_is_compatible Date: Wed, 27 May 2020 17:48:34 +0200 Message-Id: <2165607ede34d229d0cbce916c70c7fb6c0337be.1590594512.git-series.maxime@cerno.tech> X-Mailer: git-send-email 2.26.2 In-Reply-To: References: MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 28 May 2020 07:43:50 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tim Gover , Dave Stevenson , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Phil Elwell , linux-arm-kernel@lists.infradead.org, Maxime Ripard Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The TXP probes before the HVS, so testing the hvs5 flag in the hvs pointer of the main device structure won't work and result in a null pointer dereference. Let's test for the main device compatible instead so that it can work. Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_crtc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 6d7799ff8f87..d284596ec048 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -1055,7 +1055,6 @@ int vc4_crtc_init(struct drm_device *drm, struct vc4_crtc *vc4_crtc, const struct drm_crtc_funcs *crtc_funcs, const struct drm_crtc_helper_funcs *crtc_helper_funcs) { - struct vc4_dev *vc4 = to_vc4_dev(drm); struct drm_crtc *crtc = &vc4_crtc->base; struct drm_plane *primary_plane; unsigned int i; @@ -1076,7 +1075,7 @@ int vc4_crtc_init(struct drm_device *drm, struct vc4_crtc *vc4_crtc, crtc_funcs, NULL); drm_crtc_helper_add(crtc, crtc_helper_funcs); - if (!vc4->hvs->hvs5) { + if (!of_device_is_compatible(drm->dev->of_node, "brcm,bcm2711-vc5")) { drm_mode_crtc_set_gamma_size(crtc, ARRAY_SIZE(vc4_crtc->lut_r)); /* We support CTM, but only for one CRTC at a -- git-series 0.9.1 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel