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drm/meson: Use optional canvas provider

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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
This commit is contained in:
Maxime Jourdan
2018-11-05 11:45:08 +01:00
committed by Neil Armstrong
parent 2b80b98b72
commit 66cae477c3
5 changed files with 52 additions and 22 deletions
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14
drivers/gpu/drm/meson/meson_crtc.c
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@@ -193,10 +193,16 @@ void meson_crtc_irq(struct meson_drm *priv)
} else
meson_vpp_disable_interlace_vscaler_osd1(priv);
meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1,
priv->viu.osd1_addr, priv->viu.osd1_stride,
priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR);
if (priv->canvas)
meson_canvas_config(priv->canvas, priv->canvas_id_osd1,
priv->viu.osd1_addr, priv->viu.osd1_stride,
priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR, 0);
else
meson_canvas_setup(priv, MESON_CANVAS_ID_OSD1,
priv->viu.osd1_addr, priv->viu.osd1_stride,
priv->viu.osd1_height, MESON_CANVAS_WRAP_NONE,
MESON_CANVAS_BLKMODE_LINEAR);
/* Enable OSD1 */
writel_bits_relaxed(VPP_OSD1_POSTBLEND, VPP_OSD1_POSTBLEND,