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| author | Maxime Ripard <maxime.ripard@bootlin.com> | 2019-01-18 15:51:30 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2019-01-18 21:12:20 +0100 |
| commit | 38ffb167fd6a6fdbb731bdddc996af1329c2dea3 (patch) | |
| tree | 519287527215eb2d6ef8116b2a8e95ecc639d102 | |
| parent | c2c7560f7a8d221d3bc01be3e3daa20a84980916 (diff) | |
| download | lwn-38ffb167fd6a6fdbb731bdddc996af1329c2dea3.tar.gz lwn-38ffb167fd6a6fdbb731bdddc996af1329c2dea3.zip | |
drm/sun4i: Make COEF_RDY conditional
The COEF_RDY bit isn't found in all the SoCs featuring some variant of the
frontend.
Add it to our quirks structure.
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190118145133.21281-21-paul.kocialkowski@bootlin.com
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_frontend.c | 9 | ||||
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_frontend.h | 1 |
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index 7a1095b004d4..86c5033102b9 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -96,10 +96,11 @@ static void sun4i_frontend_scaler_init(struct sun4i_frontend *frontend) sun4i_frontend_vert_coef[i]); } - regmap_write_bits(frontend->regs, - SUN4I_FRONTEND_FRM_CTRL_REG, - SUN4I_FRONTEND_FRM_CTRL_COEF_RDY, - SUN4I_FRONTEND_FRM_CTRL_COEF_RDY); + if (frontend->data->has_coef_rdy) + regmap_write_bits(frontend->regs, + SUN4I_FRONTEND_FRM_CTRL_REG, + SUN4I_FRONTEND_FRM_CTRL_COEF_RDY, + SUN4I_FRONTEND_FRM_CTRL_COEF_RDY); } int sun4i_frontend_init(struct sun4i_frontend *frontend) diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h index 01e68bb11c98..e332bc1c6b68 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.h +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -114,6 +114,7 @@ struct reset_control; struct sun4i_frontend_data { bool has_coef_access_ctrl; + bool has_coef_rdy; }; struct sun4i_frontend { |