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SubjectRe: [PATCH 2/3] drm/nouveau/kms/nv50-: Report max cursor size to userspace
Lyude Paul, Tue, Jan 19, 2021 02:54:13 +0100:
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> index c6367035970e..5f4f09a601d4 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> @@ -2663,6 +2663,14 @@ nv50_display_create(struct drm_device *dev)
> else
> nouveau_display(dev)->format_modifiers = disp50xx_modifiers;
>
> + if (disp->disp->object.oclass >= GK104_DISP) {
> + dev->mode_config.cursor_width = 256;
> + dev->mode_config.cursor_height = 256;
> + } else {
> + dev->mode_config.cursor_width = 64;
> + dev->mode_config.cursor_height = 64;
> + }
> +
> /* create crtc objects to represent the hw heads */
> if (disp->disp->object.oclass >= GV100_DISP)
> crtcs = nvif_rd32(&device->object, 0x610060) & 0xff;

This change broke X cursor in my setup, and reverting the commit restores it.

Dell Precision M4800, issue ~2014 with GK106GLM [Quadro K2100M] (rev a1).
libdrm 2.4.91-1 (Debian 10.8 stable).
There are no errors or warnings in Xorg logs nor in the kernel log.

Regards,
Alex

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