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authorMaxime Jourdan <mjourdan@baylibre.com>2018-11-05 11:45:08 +0100
committerNeil Armstrong <narmstrong@baylibre.com>2018-11-13 11:51:34 +0100
commit66cae477c380d1a652399908de94ec680225bbdb (patch)
tree1eac4d0a99d958fb22abec1993298bd32967102f /drivers/gpu/drm/meson/meson_drv.c
parent2b80b98b722bc8f174275e1bcad2122bd9dacee2 (diff)
drm/meson: Use optional canvas provider
This is the first step into converting the meson/drm driver to use the canvas module. If a canvas provider node is detected in DT, use it. Otherwise, fall back to what is currently being done. Signed-off-by: Maxime Jourdan <mjourdan@baylibre.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> [narmstrong: added back priv in meson_drv_unbind()] Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181105104508.23090-3-mjourdan@baylibre.com
Diffstat (limited to 'drivers/gpu/drm/meson/meson_drv.c')
-rw-r--r--drivers/gpu/drm/meson/meson_drv.c47
1 files changed, 30 insertions, 17 deletions
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index 348b5a198b9d..3fe6edf79b5c 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -208,24 +208,33 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
goto free_drm;
}
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
- if (!res) {
- ret = -EINVAL;
- goto free_drm;
- }
- /* Simply ioremap since it may be a shared register zone */
- regs = devm_ioremap(dev, res->start, resource_size(res));
- if (!regs) {
- ret = -EADDRNOTAVAIL;
- goto free_drm;
- }
+ priv->canvas = meson_canvas_get(dev);
+ if (!IS_ERR(priv->canvas)) {
+ ret = meson_canvas_alloc(priv->canvas, &priv->canvas_id_osd1);
+ if (ret)
+ goto free_drm;
+ } else {
+ priv->canvas = NULL;
- priv->dmc = devm_regmap_init_mmio(dev, regs,
- &meson_regmap_config);
- if (IS_ERR(priv->dmc)) {
- dev_err(&pdev->dev, "Couldn't create the DMC regmap\n");
- ret = PTR_ERR(priv->dmc);
- goto free_drm;
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dmc");
+ if (!res) {
+ ret = -EINVAL;
+ goto free_drm;
+ }
+ /* Simply ioremap since it may be a shared register zone */
+ regs = devm_ioremap(dev, res->start, resource_size(res));
+ if (!regs) {
+ ret = -EADDRNOTAVAIL;
+ goto free_drm;
+ }
+
+ priv->dmc = devm_regmap_init_mmio(dev, regs,
+ &meson_regmap_config);
+ if (IS_ERR(priv->dmc)) {
+ dev_err(&pdev->dev, "Couldn't create the DMC regmap\n");
+ ret = PTR_ERR(priv->dmc);
+ goto free_drm;
+ }
}
priv->vsync_irq = platform_get_irq(pdev, 0);
@@ -300,6 +309,10 @@ static int meson_drv_bind(struct device *dev)
static void meson_drv_unbind(struct device *dev)
{
struct drm_device *drm = dev_get_drvdata(dev);
+ struct meson_drm *priv = drm->dev_private;
+
+ if (priv->canvas)
+ meson_canvas_free(priv->canvas, priv->canvas_id_osd1);
drm_dev_unregister(drm);
drm_kms_helper_poll_fini(drm);