diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2020-07-16 18:38:40 +0200 |
|---|---|---|
| committer | Paul Cercueil <paul@crapouillou.net> | 2020-07-17 00:43:55 +0200 |
| commit | e5507d2c01362b4953edb05dc84203be25eea737 (patch) | |
| tree | baf857d02881be8c2d54ad270949e9d442a278c1 /drivers/gpu/drm | |
| parent | 1f7596f4ad9b7fa68b2a27504036a1145d9c3cf1 (diff) | |
drm/ingenic: Set DMA descriptor chain address in probe
The address of the DMA descriptor never changes. It can therefore be set
in the probe function.
v2-v3: No change
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-6-paul@crapouillou.net
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c index 9e845234c7b5..c769a54f0274 100644 --- a/drivers/gpu/drm/ingenic/ingenic-drm-drv.c +++ b/drivers/gpu/drm/ingenic/ingenic-drm-drv.c @@ -358,8 +358,6 @@ static void ingenic_drm_crtc_atomic_flush(struct drm_crtc *crtc, ingenic_drm_crtc_update_ctrl(priv, finfo); clk_set_rate(priv->pix_clk, state->adjusted_mode.clock * 1000); - - regmap_write(priv->map, JZ_REG_LCD_DA0, priv->dma_hwdesc->next); } if (event) { @@ -757,6 +755,9 @@ static int ingenic_drm_probe(struct platform_device *pdev) } } + /* Set address of our DMA descriptor chain */ + regmap_write(priv->map, JZ_REG_LCD_DA0, priv->dma_hwdesc_phys); + ret = drm_dev_register(drm, 0); if (ret) { dev_err(dev, "Failed to register DRM driver\n"); |