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path: root/drivers/gpu/drm/omapdrm/dss/dispc.c
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-rw-r--r--drivers/gpu/drm/omapdrm/dss/dispc.c87
1 files changed, 27 insertions, 60 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index fd7504b37e3b..7053e3fdc9e2 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -39,7 +39,9 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/component.h>
+#include <linux/sys_soc.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_blend.h>
@@ -3804,54 +3806,6 @@ static const struct dispc_features omap54xx_dispc_feats = {
.has_gamma_i734_bug = true,
};
-static int dispc_init_features(struct platform_device *pdev)
-{
- const struct dispc_features *src;
- struct dispc_features *dst;
-
- dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
- if (!dst) {
- dev_err(&pdev->dev, "Failed to allocate DISPC Features\n");
- return -ENOMEM;
- }
-
- switch (omapdss_get_version()) {
- case OMAPDSS_VER_OMAP24xx:
- src = &omap24xx_dispc_feats;
- break;
-
- case OMAPDSS_VER_OMAP34xx_ES1:
- src = &omap34xx_rev1_0_dispc_feats;
- break;
-
- case OMAPDSS_VER_OMAP34xx_ES3:
- case OMAPDSS_VER_OMAP3630:
- case OMAPDSS_VER_AM35xx:
- case OMAPDSS_VER_AM43xx:
- src = &omap34xx_rev3_0_dispc_feats;
- break;
-
- case OMAPDSS_VER_OMAP4430_ES1:
- case OMAPDSS_VER_OMAP4430_ES2:
- case OMAPDSS_VER_OMAP4:
- src = &omap44xx_dispc_feats;
- break;
-
- case OMAPDSS_VER_OMAP5:
- case OMAPDSS_VER_DRA7xx:
- src = &omap54xx_dispc_feats;
- break;
-
- default:
- return -ENODEV;
- }
-
- memcpy(dst, src, sizeof(*dst));
- dispc.feat = dst;
-
- return 0;
-}
-
static irqreturn_t dispc_irq_handler(int irq, void *arg)
{
if (!dispc.is_enabled)
@@ -4083,9 +4037,25 @@ static const struct dispc_ops dispc_ops = {
};
/* DISPC HW IP initialisation */
+static const struct of_device_id dispc_of_match[] = {
+ { .compatible = "ti,omap2-dispc", .data = &omap24xx_dispc_feats },
+ { .compatible = "ti,omap3-dispc", .data = &omap34xx_rev3_0_dispc_feats },
+ { .compatible = "ti,omap4-dispc", .data = &omap44xx_dispc_feats },
+ { .compatible = "ti,omap5-dispc", .data = &omap54xx_dispc_feats },
+ { .compatible = "ti,dra7-dispc", .data = &omap54xx_dispc_feats },
+ {},
+};
+
+static const struct soc_device_attribute dispc_soc_devices[] = {
+ { .machine = "OMAP3[45]*",
+ .revision = "ES[12].?", .data = &omap34xx_rev1_0_dispc_feats },
+ { /* sentinel */ }
+};
+
static int dispc_bind(struct device *dev, struct device *master, void *data)
{
struct platform_device *pdev = to_platform_device(dev);
+ const struct soc_device_attribute *soc;
u32 rev;
int r = 0;
struct resource *dispc_mem;
@@ -4095,9 +4065,15 @@ static int dispc_bind(struct device *dev, struct device *master, void *data)
spin_lock_init(&dispc.control_lock);
- r = dispc_init_features(dispc.pdev);
- if (r)
- return r;
+ /*
+ * The OMAP34xx ES1.x and ES2.x can't be identified through the
+ * compatible string, use SoC device matching.
+ */
+ soc = soc_device_match(dispc_soc_devices);
+ if (soc)
+ dispc.feat = soc->data;
+ else
+ dispc.feat = of_match_device(dispc_of_match, &pdev->dev)->data;
r = dispc_errata_i734_wa_init();
if (r)
@@ -4226,15 +4202,6 @@ static const struct dev_pm_ops dispc_pm_ops = {
.runtime_resume = dispc_runtime_resume,
};
-static const struct of_device_id dispc_of_match[] = {
- { .compatible = "ti,omap2-dispc", },
- { .compatible = "ti,omap3-dispc", },
- { .compatible = "ti,omap4-dispc", },
- { .compatible = "ti,omap5-dispc", },
- { .compatible = "ti,dra7-dispc", },
- {},
-};
-
static struct platform_driver omap_dispchw_driver = {
.probe = dispc_probe,
.remove = dispc_remove,