From 22518e93135f42d6dcc72b6850b7890207c19be5 Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Sun, 6 Jul 2025 18:26:44 +0200 Subject: [PATCH] drm/ast: Gen7: Disable VGASR0[1] as on Gen4+ Set VGACRB6[5], which disables asynchronous sequencer resets via VGASR0[1]. This was most likely an oversight when adding support for Gen7. Aligns Gen7 with the earlier Gen4+. Signed-off-by: Thomas Zimmermann Reviewed-by: Jocelyn Falempe Link: https://lore.kernel.org/r/20250706162816.211552-10-tzimmermann@suse.de --- drivers/gpu/drm/ast/ast_2600.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/ast/ast_2600.c b/drivers/gpu/drm/ast/ast_2600.c index 08614090068d4..01fd0e2d96e11 100644 --- a/drivers/gpu/drm/ast/ast_2600.c +++ b/drivers/gpu/drm/ast/ast_2600.c @@ -60,6 +60,7 @@ void ast_2600_set_def_ext_reg(struct ast_device *ast) /* Enable RAMDAC for A1 */ reg = 0x04; + reg |= 0x20; ast_set_index_reg_mask(ast, AST_IO_VGACRI, 0xb6, 0xff, reg); } -- 2.47.2