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received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: A0k1O/KRk+5SqXUkZuq1Y2akb6FPU2gqCN/Y9oicpNtSuMX2RgEjy7yxDiJm9dYfhYnrTD5pVMKgwoqQAE4FhUN2CYgE4QIiinuiGp+0u9CkMDorzSqv+2eyr5rgY2Z5QOZQK8ohiKk22y2uzpszA96K8FLRTYgQKpAAIaZwNEcsvP5oHCeG5xrMHlaIgW5l6qdCW/VIy3sHBQaBcIpUuGrwO8rXGuhBw2u3ouhZzLALR0Y/Ifh3YMyAHuw/uW3BDBdAGddAvLIqFxg+mfk2OxB/Pb8UAEnIPCCz6F/uj4lLWjev22/ykrGy20V2sNtI spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3e3498b3-43e2-432c-768f-08d66981ea2b X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Dec 2018 09:26:42.3691 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM3PR08MB0262 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Added functions: - komeda_crtc_reset - komeda_crtc_vblank_enable - komeda_crtc_vblank_disable Signed-off-by: James (Qian) Wang --- .../gpu/drm/arm/display/komeda/komeda_crtc.c | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu= /drm/arm/display/komeda/komeda_crtc.c index 6d9fb4626ba5..cc7f67fb08fd 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c @@ -347,6 +347,47 @@ struct drm_crtc_helper_funcs komeda_crtc_helper_funcs = =3D { .mode_fixup =3D komeda_crtc_mode_fixup, }; =20 +static void komeda_crtc_reset(struct drm_crtc *crtc) +{ + struct komeda_crtc_state *state; + + if (crtc->state) + __drm_atomic_helper_crtc_destroy_state(crtc->state); + + kfree(to_kcrtc_st(crtc->state)); + crtc->state =3D NULL; + + state =3D kzalloc(sizeof(*state), GFP_KERNEL); + if (state) { + crtc->state =3D &state->base; + crtc->state->crtc =3D crtc; + } +} + +static struct drm_crtc_state * +komeda_crtc_atomic_duplicate_state(struct drm_crtc *crtc) +{ + struct komeda_crtc_state *old =3D to_kcrtc_st(crtc->state); + struct komeda_crtc_state *new; + + new =3D kzalloc(sizeof(*new), GFP_KERNEL); + if (!new) + return NULL; + + __drm_atomic_helper_crtc_duplicate_state(crtc, &new->base); + + new->affected_pipes =3D old->active_pipes; + + return &new->base; +} + +static void komeda_crtc_atomic_destroy_state(struct drm_crtc *crtc, + struct drm_crtc_state *state) +{ + __drm_atomic_helper_crtc_destroy_state(state); + kfree(to_kcrtc_st(state)); +} + static int komeda_crtc_vblank_enable(struct drm_crtc *crtc) { struct komeda_dev *mdev =3D crtc->dev->dev_private; @@ -365,6 +406,13 @@ static void komeda_crtc_vblank_disable(struct drm_crtc= *crtc) } =20 static const struct drm_crtc_funcs komeda_crtc_funcs =3D { + .gamma_set =3D drm_atomic_helper_legacy_gamma_set, + .destroy =3D drm_crtc_cleanup, + .set_config =3D drm_atomic_helper_set_config, + .page_flip =3D drm_atomic_helper_page_flip, + .reset =3D komeda_crtc_reset, + .atomic_duplicate_state =3D komeda_crtc_atomic_duplicate_state, + .atomic_destroy_state =3D komeda_crtc_atomic_destroy_state, .enable_vblank =3D komeda_crtc_vblank_enable, .disable_vblank =3D komeda_crtc_vblank_disable, }; --=20 2.17.1