On Tue, 2014-03-25 at 14:49 +0000, Damien Lespiau wrote:
> Those fields are supposed to be a good default value for the cursor
> size, intended for the case where the hardware doesn't support 64x64
> cursors, for use with a hw agnostic DDX driver for instance.
>
> We're fine with 64x64 cursors though and don't need to set those fields
> (DRM core will return 64 is we don't). If we declare 256x256, that
> generic driver will use a big buffer for the cursor, without any good
> reason.
>
> Cc: Sagar Kamble <sagar.a.kamble@xxxxxxxxx>
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 80dd1c2..7a47657 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10557,8 +10557,6 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
> intel_crtc->max_cursor_width = CURSOR_WIDTH;
> intel_crtc->max_cursor_height = CURSOR_HEIGHT;
> }
> - dev->mode_config.cursor_width = intel_crtc->max_cursor_width;
> - dev->mode_config.cursor_height = intel_crtc->max_cursor_height;
I thought drm_getcap should return the max cursor size, using these two
fields.
--Imre
>
> drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256);
> for (i = 0; i < 256; i++) {
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