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Lin" , , , , , Hsiao Chien Sung Subject: [PATCH v5 04/13] drm/mediatek: Fix errors when reporting rotation capability Date: Thu, 15 Feb 2024 18:11:10 +0800 Message-ID: <20240215101119.12629-5-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240215101119.12629-1-shawn.sung@mediatek.com> References: <20240215101119.12629-1-shawn.sung@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--5.636000-8.000000 X-TMASE-MatchedRID: qKC9Lion//KU2fVedEQUO2NW0DAjL5p+Wot5Z16+u77vnm3ZesFzgvKC 81FnsF5IlTJXKqh1ne2rjfxn0AirrC2W7Y+Npd9Rh2VzUlo4HVNPZ8WbDkfxU56fSoF3Lt+M6bg Zy139hG9UOKk2VxzSJ1ixvQr0+Z/MOnfMHqHi4mn0mf9msa5zwdspPGnf5a0gmyiLZetSf8mfop 0ytGwvXiq2rl3dzGQ1vgPmisnFUWbXwI/jONLDvC7HnNEcltGLYnt8a3k1TsX/KqpkYjIexsC+k sT6a9fy X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--5.636000-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: E90F10E76A8687E0E18E0F690897B51CE0CC013172CA94CC015DE292832A8D4D2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240215_021131_460073_0C6984DE X-CRM114-Status: GOOD ( 18.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Create rotation property according to the hardware capability. Since currently OVL of all chips support same rotation, no need to define it in the driver data. Fixes: 84d805753983 ("drm/mediatek: Support reflect-y plane rotation") Reviewed-by: AngeloGioacchino Del Regno Signed-off-by: Hsiao Chien Sung --- drivers/gpu/drm/mediatek/mtk_disp_drv.h | 1 + drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 19 +++++++------------ .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 9 +++++++++ drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 + drivers/gpu/drm/mediatek/mtk_drm_plane.c | 2 +- 5 files changed, 19 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_drv.h b/drivers/gpu/drm/mediatek/mtk_disp_drv.h index 4a5661334fb1a..cd5ca5359b0f0 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_drv.h +++ b/drivers/gpu/drm/mediatek/mtk_disp_drv.h @@ -126,6 +126,7 @@ void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(vo void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev); void mtk_ovl_adaptor_enable_vblank(struct device *dev); void mtk_ovl_adaptor_disable_vblank(struct device *dev); +unsigned int mtk_ovl_adaptor_supported_rotations(struct device *dev); void mtk_ovl_adaptor_start(struct device *dev); void mtk_ovl_adaptor_stop(struct device *dev); unsigned int mtk_ovl_adaptor_layer_nr(struct device *dev); diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index 5aaf4342cdbda..c42fce38a35eb 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -289,6 +289,10 @@ unsigned int mtk_ovl_layer_nr(struct device *dev) unsigned int mtk_ovl_supported_rotations(struct device *dev) { + /* + * although currently OVL can only do reflection, + * reflect x + reflect y = rotate 180 + */ return DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_180 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y; } @@ -297,27 +301,18 @@ int mtk_ovl_layer_check(struct device *dev, unsigned int idx, struct mtk_plane_state *mtk_state) { struct drm_plane_state *state = &mtk_state->base; - unsigned int rotation = 0; - rotation = drm_rotation_simplify(state->rotation, - DRM_MODE_ROTATE_0 | - DRM_MODE_REFLECT_X | - DRM_MODE_REFLECT_Y); - rotation &= ~DRM_MODE_ROTATE_0; - - /* We can only do reflection, not rotation */ - if ((rotation & DRM_MODE_ROTATE_MASK) != 0) + /* check if any unsupported rotation is set */ + if (state->rotation & ~mtk_ovl_supported_rotations(dev)) return -EINVAL; /* * TODO: Rotating/reflecting YUV buffers is not supported at this time. * Only RGB[AX] variants are supported. */ - if (state->fb->format->is_yuv && rotation != 0) + if (state->fb->format->is_yuv && (state->rotation & ~DRM_MODE_ROTATE_0)) return -EINVAL; - state->rotation = rotation; - return 0; } diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c index 6d4334955e3d3..d4a13a1402148 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c @@ -379,6 +379,15 @@ void mtk_ovl_adaptor_register_vblank_cb(struct device *dev, void (*vblank_cb)(vo vblank_cb, vblank_cb_data); } +unsigned int mtk_ovl_adaptor_supported_rotations(struct device *dev) +{ + /* + * should still return DRM_MODE_ROTATE_0 if rotation is not supported, + * or IGT will fail. + */ + return DRM_MODE_ROTATE_0; +} + void mtk_ovl_adaptor_unregister_vblank_cb(struct device *dev) { struct mtk_disp_ovl_adaptor *ovl_adaptor = dev_get_drvdata(dev); diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 94590227c56a9..b47be6955d9b8 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -417,6 +417,7 @@ static const struct mtk_ddp_comp_funcs ddp_ovl_adaptor = { .get_formats = mtk_ovl_adaptor_get_formats, .get_num_formats = mtk_ovl_adaptor_get_num_formats, .mode_valid = mtk_ovl_adaptor_mode_valid, + .supported_rotations = mtk_ovl_adaptor_supported_rotations, }; static const char * const mtk_ddp_comp_stem[MTK_DDP_COMP_TYPE_MAX] = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_plane.c b/drivers/gpu/drm/mediatek/mtk_drm_plane.c index f10d4cc6c2234..2dc28a79f7603 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_plane.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_plane.c @@ -338,7 +338,7 @@ int mtk_plane_init(struct drm_device *dev, struct drm_plane *plane, return err; } - if (supported_rotations & ~DRM_MODE_ROTATE_0) { + if (supported_rotations) { err = drm_plane_create_rotation_property(plane, DRM_MODE_ROTATE_0, supported_rotations);