diff mbox series

[RESEND] drm/nouveau/disp: Fix missing backlight control on Macbook 5, 1

Message ID 20250102114944.11499-1-tiwai@suse.de (mailing list archive)
State New
Headers show
Series [RESEND] drm/nouveau/disp: Fix missing backlight control on Macbook 5, 1 | expand

Commit Message

Takashi Iwai Jan. 2, 2025, 11:49 a.m. UTC 
Macbook 5,1 with MCP79 lost its backlight control since the recent
change for supporting GFP-RM; it rewrote the whole nv50 backlight
control code and each display engine is supposed to have an entry for
IOR bl callback, but it didn't cover mcp77.

This patch adds the missing bl entry initialization for mcp77 display
engine to recover the backlight control.

Fixes: 2274ce7e3681 ("drm/nouveau/disp: add output backlight control methods")
Cc: <stable@vger.kernel.org>
Link: https://bugzilla.suse.com/show_bug.cgi?id=1223838
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

The previous submission seemed fallin in a crack:
  https://lore.kernel.org/all/20240517110853.8481-1-tiwai@suse.de/
so just resending it.

 drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c
index 841e3b69fcaf..5a0c9b8a79f3 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/mcp77.c
@@ -31,6 +31,7 @@  mcp77_sor = {
 	.state = g94_sor_state,
 	.power = nv50_sor_power,
 	.clock = nv50_sor_clock,
+	.bl = &nv50_sor_bl,
 	.hdmi = &g84_sor_hdmi,
 	.dp = &g94_sor_dp,
 };