From: Sam Ravnborg <sam@ravnborg.org> To: Jagan Teki <jagan@amarulasolutions.com> Cc: Inki Dae <inki.dae@samsung.com>, Joonyoung Shim <jy0922.shim@samsung.com>, Seung-Woo Kim <sw0312.kim@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Andrzej Hajda <a.hajda@samsung.com>, Neil Armstrong <narmstrong@baylibre.com>, Robert Foss <robert.foss@linaro.org>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Frieder Schrempf <frieder.schrempf@kontron.de>, Daniel Vetter <daniel.vetter@intel.com>, Marek Vasut <marex@denx.de>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Fabio Estevam <festevam@gmail.com>, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, NXP Linux Team <linux-imx@nxp.com>, linux-amarula <linux-amarula@amarulasolutions.com>, linux-arm-kernel@lists.infradead.org Subject: Re: [RFC PATCH 17/17] drm: bridge: samsung-dsim: Add bridge mode_fixup Date: Sun, 25 Jul 2021 19:50:04 +0200 [thread overview] Message-ID: <YP2kTP77Z0/qmEub@ravnborg.org> (raw) In-Reply-To: <20210704090230.26489-18-jagan@amarulasolutions.com> Hi Jagan, On Sun, Jul 04, 2021 at 02:32:30PM +0530, Jagan Teki wrote: > Fixing up the mode flags are required in order to correlate > the correct sync flags in i.MX8MM eLCDIF. > > So, handle the mode flags via bridge, mode_fixup. Please do this in atomic_check. Check rcar-du for a way to get access to adjusted_mode. I have a helper in the works, but I may not return to it until a week or more. Sam > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > --- > drivers/gpu/drm/bridge/samsung-dsim.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c > index 0ed218f5eefc..c2a76ee5ac4e 100644 > --- a/drivers/gpu/drm/bridge/samsung-dsim.c > +++ b/drivers/gpu/drm/bridge/samsung-dsim.c > @@ -1474,6 +1474,16 @@ static void samsung_dsim_bridge_disable(struct drm_bridge *bridge) > pm_runtime_put_sync(dsi->dev); > } > > +static bool samsung_dsim_bridge_mode_fixup(struct drm_bridge *bridge, > + const struct drm_display_mode *mode, > + struct drm_display_mode *adjusted_mode) > +{ > + adjusted_mode->flags |= (DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); > + adjusted_mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); > + > + return true; > +} > + > static void samsung_dsim_bridge_mode_set(struct drm_bridge *bridge, > const struct drm_display_mode *mode, > const struct drm_display_mode *adjusted_mode) > @@ -1542,6 +1552,7 @@ static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = { > .enable = samsung_dsim_bridge_enable, > .disable = samsung_dsim_bridge_disable, > .mode_set = samsung_dsim_bridge_mode_set, > + .mode_fixup = samsung_dsim_bridge_mode_fixup, > .attach = samsung_dsim_bridge_attach, > }; > > -- > 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Sam Ravnborg <sam@ravnborg.org> To: Jagan Teki <jagan@amarulasolutions.com> Cc: Marek Vasut <marex@denx.de>, devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Joonyoung Shim <jy0922.shim@samsung.com>, Neil Armstrong <narmstrong@baylibre.com>, linux-amarula <linux-amarula@amarulasolutions.com>, dri-devel@lists.freedesktop.org, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Seung-Woo Kim <sw0312.kim@samsung.com>, Robert Foss <robert.foss@linaro.org>, Frieder Schrempf <frieder.schrempf@kontron.de>, Andrzej Hajda <a.hajda@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Laurent Pinchart <Laurent.pinchart@ideasonboard.com>, Daniel Vetter <daniel.vetter@intel.com>, linux-arm-kernel@lists.infradead.org, NXP Linux Team <linux-imx@nxp.com> Subject: Re: [RFC PATCH 17/17] drm: bridge: samsung-dsim: Add bridge mode_fixup Date: Sun, 25 Jul 2021 19:50:04 +0200 [thread overview] Message-ID: <YP2kTP77Z0/qmEub@ravnborg.org> (raw) In-Reply-To: <20210704090230.26489-18-jagan@amarulasolutions.com> Hi Jagan, On Sun, Jul 04, 2021 at 02:32:30PM +0530, Jagan Teki wrote: > Fixing up the mode flags are required in order to correlate > the correct sync flags in i.MX8MM eLCDIF. > > So, handle the mode flags via bridge, mode_fixup. Please do this in atomic_check. Check rcar-du for a way to get access to adjusted_mode. I have a helper in the works, but I may not return to it until a week or more. Sam > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > --- > drivers/gpu/drm/bridge/samsung-dsim.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c > index 0ed218f5eefc..c2a76ee5ac4e 100644 > --- a/drivers/gpu/drm/bridge/samsung-dsim.c > +++ b/drivers/gpu/drm/bridge/samsung-dsim.c > @@ -1474,6 +1474,16 @@ static void samsung_dsim_bridge_disable(struct drm_bridge *bridge) > pm_runtime_put_sync(dsi->dev); > } > > +static bool samsung_dsim_bridge_mode_fixup(struct drm_bridge *bridge, > + const struct drm_display_mode *mode, > + struct drm_display_mode *adjusted_mode) > +{ > + adjusted_mode->flags |= (DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); > + adjusted_mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); > + > + return true; > +} > + > static void samsung_dsim_bridge_mode_set(struct drm_bridge *bridge, > const struct drm_display_mode *mode, > const struct drm_display_mode *adjusted_mode) > @@ -1542,6 +1552,7 @@ static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = { > .enable = samsung_dsim_bridge_enable, > .disable = samsung_dsim_bridge_disable, > .mode_set = samsung_dsim_bridge_mode_set, > + .mode_fixup = samsung_dsim_bridge_mode_fixup, > .attach = samsung_dsim_bridge_attach, > }; > > -- > 2.25.1
next prev parent reply other threads:[~2021-07-25 17:52 UTC|newest] Thread overview: 130+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-04 9:02 [RFC PATCH 00/17] drm: bridge: Samsung MIPI DSIM bridge Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 01/17] drm/exynos: dsi: Convert to bridge driver Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-25 17:08 ` Sam Ravnborg 2021-07-25 17:08 ` Sam Ravnborg 2021-07-04 9:02 ` [RFC PATCH 02/17] drm/exynos: dsi: Handle drm_device for bridge Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-25 17:09 ` Sam Ravnborg 2021-07-25 17:09 ` Sam Ravnborg 2021-07-04 9:02 ` [RFC PATCH 03/17] drm/exynos: dsi: Use the drm_panel_bridge API Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-05 11:47 ` Marek Szyprowski 2021-07-05 11:47 ` Marek Szyprowski 2021-07-05 11:47 ` Marek Szyprowski 2021-07-05 12:00 ` Jagan Teki 2021-07-05 12:00 ` Jagan Teki 2021-07-05 12:00 ` Jagan Teki 2021-07-05 12:13 ` Marek Szyprowski 2021-07-05 12:13 ` Marek Szyprowski 2021-07-05 12:13 ` Marek Szyprowski 2021-07-05 12:34 ` Jagan Teki 2021-07-05 12:34 ` Jagan Teki 2021-07-05 12:34 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 04/17] drm/exynos: dsi: Create bridge connector for encoder Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 05/17] drm/exynos: dsi: Get the mode from bridge Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-25 17:17 ` Sam Ravnborg 2021-07-25 17:17 ` Sam Ravnborg 2021-07-29 13:20 ` Robert Foss 2021-07-29 13:20 ` Robert Foss 2021-07-29 13:20 ` Robert Foss 2021-07-29 16:50 ` Sam Ravnborg 2021-07-29 16:50 ` Sam Ravnborg 2021-07-04 9:02 ` [RFC PATCH 06/17] drm/exynos: dsi: Handle exynos specifics via driver_data Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-25 17:25 ` Sam Ravnborg 2021-07-25 17:25 ` Sam Ravnborg 2021-07-25 17:31 ` Jagan Teki 2021-07-25 17:31 ` Jagan Teki 2021-07-25 17:31 ` Jagan Teki 2021-08-13 6:50 ` Inki Dae 2021-08-13 6:50 ` Inki Dae 2021-08-13 12:16 ` Laurent Pinchart 2021-08-13 12:16 ` Laurent Pinchart 2021-08-18 6:09 ` Inki Dae 2021-08-18 6:09 ` Inki Dae 2021-07-04 9:02 ` [RFC PATCH 07/17] drm: bridge: Move exynos_drm_dsi into bridges Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 13:26 ` kernel test robot 2021-07-04 9:02 ` [RFC PATCH 08/17] dt-bindings: display: bridge: Add Samsung MIPI DSIM bridge Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-12 15:13 ` Rob Herring 2021-07-12 15:13 ` Rob Herring 2021-07-12 15:13 ` Rob Herring 2021-07-12 15:23 ` Jagan Teki 2021-07-12 15:23 ` Jagan Teki 2021-07-12 15:23 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 09/17] drm: bridge: samsung-dsim: Add module init, exit Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 10/17] drm: bridge: samsung-dsim: Update the of_node for port(s) Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 11/17] drm: bridge: samsung-dsim: Find the possible DSI devices Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 12/17] dt-bindings: display: bridge: samsung,mipi-dsim: Add i.MX8MM support Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 12/17] dt-bindings: display: bridge: samsung, mipi-dsim: " Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-14 22:59 ` [RFC PATCH 12/17] dt-bindings: display: bridge: samsung,mipi-dsim: " Rob Herring 2021-07-14 22:59 ` Rob Herring 2021-07-14 22:59 ` Rob Herring 2021-07-04 9:02 ` [RFC PATCH 13/17] drm: bridge: samsung-dsim: " Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 14/17] drm: bridge: samsung-dsim: Add input_bus_flags Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 15/17] drm: bridge: samsung-dsim: Move DSI init in bridge enable Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` [RFC PATCH 16/17] drm: bridge: samsung-dsim: Fix PLL_P offset Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-25 17:48 ` Sam Ravnborg 2021-07-25 17:48 ` Sam Ravnborg 2021-07-04 9:02 ` [RFC PATCH 17/17] drm: bridge: samsung-dsim: Add bridge mode_fixup Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-04 9:02 ` Jagan Teki 2021-07-25 17:50 ` Sam Ravnborg [this message] 2021-07-25 17:50 ` Sam Ravnborg 2021-07-25 17:05 ` [RFC PATCH 00/17] drm: bridge: Samsung MIPI DSIM bridge Sam Ravnborg 2021-07-25 17:05 ` Sam Ravnborg 2021-07-25 17:13 ` Jagan Teki 2021-07-25 17:13 ` Jagan Teki 2021-07-25 17:13 ` Jagan Teki 2021-10-05 21:43 ` Tim Harvey 2021-10-05 21:43 ` Tim Harvey 2021-12-09 8:36 ` Michael Nazzareno Trimarchi 2021-12-09 8:36 ` Michael Nazzareno Trimarchi 2021-12-09 8:36 ` Michael Nazzareno Trimarchi 2021-12-09 16:40 ` Tim Harvey 2021-12-09 16:40 ` Tim Harvey 2021-12-09 16:40 ` Tim Harvey 2021-12-09 17:09 ` Michael Nazzareno Trimarchi 2021-12-09 17:09 ` Michael Nazzareno Trimarchi 2021-12-09 17:09 ` Michael Nazzareno Trimarchi 2021-12-09 17:57 ` Tim Harvey 2021-12-09 17:57 ` Tim Harvey 2021-12-09 17:57 ` Tim Harvey 2021-12-09 20:24 ` Lucas Stach 2021-12-09 20:24 ` Lucas Stach 2021-12-09 20:24 ` Lucas Stach 2021-12-09 21:24 ` Michael Nazzareno Trimarchi 2021-12-09 21:24 ` Michael Nazzareno Trimarchi 2021-12-09 21:24 ` Michael Nazzareno Trimarchi 2021-12-15 13:34 ` Adam Ford 2021-12-15 13:34 ` Adam Ford 2021-12-15 13:34 ` Adam Ford
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