From: Jyri Sarha jsarha@ti.com
Register the omapdrm device when we know that dss device probe going to succeed. This avoids DSS6 and DSS2 omapdrm device registration from colliding with each other.
Signed-off-by: Jyri Sarha jsarha@ti.com Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Sebastian Reichel sebastian.reichel@collabora.co.uk --- Changes since v0:
- Store the OMAP DRM platform device pointer in struct dss_device - Register the OMAP DRM platform device at the very end of dss_bind() --- drivers/gpu/drm/omapdrm/dss/core.c | 26 ++------------------------ drivers/gpu/drm/omapdrm/dss/dss.c | 13 +++++++++++++ drivers/gpu/drm/omapdrm/dss/dss.h | 2 ++ 3 files changed, 17 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/core.c b/drivers/gpu/drm/omapdrm/dss/core.c index 07d00a186f15..a2edabc9f6b3 100644 --- a/drivers/gpu/drm/omapdrm/dss/core.c +++ b/drivers/gpu/drm/omapdrm/dss/core.c @@ -45,36 +45,14 @@ static struct platform_driver * const omap_dss_drivers[] = { #endif };
-static struct platform_device *omap_drm_device; - static int __init omap_dss_init(void) { - int r; - - r = platform_register_drivers(omap_dss_drivers, - ARRAY_SIZE(omap_dss_drivers)); - if (r) - goto err_reg; - - omap_drm_device = platform_device_register_simple("omapdrm", 0, NULL, 0); - if (IS_ERR(omap_drm_device)) { - r = PTR_ERR(omap_drm_device); - goto err_reg; - } - - return 0; - -err_reg: - platform_unregister_drivers(omap_dss_drivers, - ARRAY_SIZE(omap_dss_drivers)); - - return r; + return platform_register_drivers(omap_dss_drivers, + ARRAY_SIZE(omap_dss_drivers)); }
static void __exit omap_dss_exit(void) { - platform_device_unregister(omap_drm_device); - platform_unregister_drivers(omap_dss_drivers, ARRAY_SIZE(omap_dss_drivers)); } diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c index 9af7108dbf5f..64479b209c1f 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.c +++ b/drivers/gpu/drm/omapdrm/dss/dss.c @@ -1315,6 +1315,7 @@ static const struct soc_device_attribute dss_soc_devices[] = { static int dss_bind(struct device *dev) { struct dss_device *dss = dev_get_drvdata(dev); + struct platform_device *drm_pdev; int r;
r = component_bind_all(dev, NULL); @@ -1325,11 +1326,23 @@ static int dss_bind(struct device *dev)
omapdss_set_dss(dss);
+ drm_pdev = platform_device_register_simple("omapdrm", 0, NULL, 0); + if (IS_ERR(drm_pdev)) { + component_unbind_all(dev, NULL); + return PTR_ERR(drm_pdev); + } + + dss->drm_pdev = drm_pdev; + return 0; }
static void dss_unbind(struct device *dev) { + struct dss_device *dss = dev_get_drvdata(dev); + + platform_device_unregister(dss->drm_pdev); + omapdss_set_dss(NULL);
component_unbind_all(dev, NULL); diff --git a/drivers/gpu/drm/omapdrm/dss/dss.h b/drivers/gpu/drm/omapdrm/dss/dss.h index 38302631b64b..e6baad7e653f 100644 --- a/drivers/gpu/drm/omapdrm/dss/dss.h +++ b/drivers/gpu/drm/omapdrm/dss/dss.h @@ -238,6 +238,8 @@ struct dss_device { struct regmap *syscon_pll_ctrl; u32 syscon_pll_ctrl_offset;
+ struct platform_device *drm_pdev; + struct clk *parent_clk; struct clk *dss_clk; unsigned long dss_clk_rate;