| Message ID | c1f1143b5aea14aea968cda6508b275b2f7246ea.1715691257.git.jani.nikula@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm: conversions to struct drm_edid | expand |
On Tue, May 14, 2024 at 03:55:17PM +0300, Jani Nikula wrote: > Prefer the struct drm_edid based functions for reading the EDID and > updating the connector. > > Signed-off-by: Jani Nikula <jani.nikula@intel.com> > > --- > > Cc: Philipp Zabel <p.zabel@pengutronix.de> > Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> > Cc: Maxime Ripard <mripard@kernel.org> > Cc: Thomas Zimmermann <tzimmermann@suse.de> > Cc: Shawn Guo <shawnguo@kernel.org> > Cc: Sascha Hauer <s.hauer@pengutronix.de> > Cc: Pengutronix Kernel Team <kernel@pengutronix.de> > Cc: Fabio Estevam <festevam@gmail.com> > Cc: imx@lists.linux.dev > Cc: linux-arm-kernel@lists.infradead.org > --- > drivers/gpu/drm/imx/ipuv3/imx-ldb.c | 24 ++++++++++++------------ > 1 file changed, 12 insertions(+), 12 deletions(-) Note: https://lore.kernel.org/dri-devel/20240331-drm-imx-cleanup-v2-5-d81c1d1c1026@linaro.org/ Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> > diff --git a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c > index 71d70194fcbd..793dfb1a3ed0 100644 > --- a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c > +++ b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c > @@ -72,7 +72,7 @@ struct imx_ldb_channel { > struct device_node *child; > struct i2c_adapter *ddc; > int chno; > - void *edid; > + const struct drm_edid *drm_edid; > struct drm_display_mode mode; > int mode_valid; > u32 bus_format; > @@ -142,15 +142,15 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector) > if (num_modes > 0) > return num_modes; > > - if (!imx_ldb_ch->edid && imx_ldb_ch->ddc) > - imx_ldb_ch->edid = drm_get_edid(connector, imx_ldb_ch->ddc); > - > - if (imx_ldb_ch->edid) { > - drm_connector_update_edid_property(connector, > - imx_ldb_ch->edid); > - num_modes = drm_add_edid_modes(connector, imx_ldb_ch->edid); > + if (!imx_ldb_ch->drm_edid && imx_ldb_ch->ddc) { > + imx_ldb_ch->drm_edid = drm_edid_read_ddc(connector, > + imx_ldb_ch->ddc); > + drm_edid_connector_update(connector, imx_ldb_ch->drm_edid); > } > > + if (imx_ldb_ch->drm_edid) > + num_modes = drm_edid_connector_add_modes(connector); > + > if (imx_ldb_ch->mode_valid) { > struct drm_display_mode *mode; > > @@ -553,7 +553,6 @@ static int imx_ldb_panel_ddc(struct device *dev, > struct imx_ldb_channel *channel, struct device_node *child) > { > struct device_node *ddc_node; > - const u8 *edidp; > int ret; > > ddc_node = of_parse_phandle(child, "ddc-i2c-bus", 0); > @@ -567,6 +566,7 @@ static int imx_ldb_panel_ddc(struct device *dev, > } > > if (!channel->ddc) { > + const void *edidp; > int edid_len; > > /* if no DDC available, fallback to hardcoded EDID */ > @@ -574,8 +574,8 @@ static int imx_ldb_panel_ddc(struct device *dev, > > edidp = of_get_property(child, "edid", &edid_len); > if (edidp) { > - channel->edid = kmemdup(edidp, edid_len, GFP_KERNEL); > - if (!channel->edid) > + channel->drm_edid = drm_edid_alloc(edidp, edid_len); > + if (!channel->drm_edid) > return -ENOMEM; > } else if (!channel->panel) { > /* fallback to display-timings node */ > @@ -744,7 +744,7 @@ static void imx_ldb_remove(struct platform_device *pdev) > for (i = 0; i < 2; i++) { > struct imx_ldb_channel *channel = &imx_ldb->channel[i]; > > - kfree(channel->edid); > + drm_edid_free(channel->drm_edid); > i2c_put_adapter(channel->ddc); > } > > -- > 2.39.2 >
diff --git a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c index 71d70194fcbd..793dfb1a3ed0 100644 --- a/drivers/gpu/drm/imx/ipuv3/imx-ldb.c +++ b/drivers/gpu/drm/imx/ipuv3/imx-ldb.c @@ -72,7 +72,7 @@ struct imx_ldb_channel { struct device_node *child; struct i2c_adapter *ddc; int chno; - void *edid; + const struct drm_edid *drm_edid; struct drm_display_mode mode; int mode_valid; u32 bus_format; @@ -142,15 +142,15 @@ static int imx_ldb_connector_get_modes(struct drm_connector *connector) if (num_modes > 0) return num_modes; - if (!imx_ldb_ch->edid && imx_ldb_ch->ddc) - imx_ldb_ch->edid = drm_get_edid(connector, imx_ldb_ch->ddc); - - if (imx_ldb_ch->edid) { - drm_connector_update_edid_property(connector, - imx_ldb_ch->edid); - num_modes = drm_add_edid_modes(connector, imx_ldb_ch->edid); + if (!imx_ldb_ch->drm_edid && imx_ldb_ch->ddc) { + imx_ldb_ch->drm_edid = drm_edid_read_ddc(connector, + imx_ldb_ch->ddc); + drm_edid_connector_update(connector, imx_ldb_ch->drm_edid); } + if (imx_ldb_ch->drm_edid) + num_modes = drm_edid_connector_add_modes(connector); + if (imx_ldb_ch->mode_valid) { struct drm_display_mode *mode; @@ -553,7 +553,6 @@ static int imx_ldb_panel_ddc(struct device *dev, struct imx_ldb_channel *channel, struct device_node *child) { struct device_node *ddc_node; - const u8 *edidp; int ret; ddc_node = of_parse_phandle(child, "ddc-i2c-bus", 0); @@ -567,6 +566,7 @@ static int imx_ldb_panel_ddc(struct device *dev, } if (!channel->ddc) { + const void *edidp; int edid_len; /* if no DDC available, fallback to hardcoded EDID */ @@ -574,8 +574,8 @@ static int imx_ldb_panel_ddc(struct device *dev, edidp = of_get_property(child, "edid", &edid_len); if (edidp) { - channel->edid = kmemdup(edidp, edid_len, GFP_KERNEL); - if (!channel->edid) + channel->drm_edid = drm_edid_alloc(edidp, edid_len); + if (!channel->drm_edid) return -ENOMEM; } else if (!channel->panel) { /* fallback to display-timings node */ @@ -744,7 +744,7 @@ static void imx_ldb_remove(struct platform_device *pdev) for (i = 0; i < 2; i++) { struct imx_ldb_channel *channel = &imx_ldb->channel[i]; - kfree(channel->edid); + drm_edid_free(channel->drm_edid); i2c_put_adapter(channel->ddc); }
Prefer the struct drm_edid based functions for reading the EDID and updating the connector. Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: imx@lists.linux.dev Cc: linux-arm-kernel@lists.infradead.org --- drivers/gpu/drm/imx/ipuv3/imx-ldb.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-)