On Tue, 2019-02-05 at 22:50 +0200, Ville Syrjala wrote: > From: Ville Syrjälä <ville.syrj...@linux.intel.com> > > On icl the plane watermark blocks field is 11 bits. Bump our define > to > match so that readout won't ignore the extra bit. We can safely do > this > for older platforms too since the unused bits are hardwired to zero.
Reviewed-by: José Roberto de Souza <jose.so...@intel.com>
>
> Cc: José Roberto de Souza <jose.so...@intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> ---
> drivers/gpu/drm/i915/i915_reg.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h
> b/drivers/gpu/drm/i915/i915_reg.h
> index 12964b0fbc54..2be34e13af78 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -6000,7 +6000,7 @@ enum {
> #define PLANE_WM_EN (1 << 31)
> #define PLANE_WM_LINES_SHIFT 14
> #define PLANE_WM_LINES_MASK 0x1f
> -#define PLANE_WM_BLOCKS_MASK 0x3ff
> +#define PLANE_WM_BLOCKS_MASK 0x7ff /* skl+: 10 bits, icl+ 11
> bits */
>
> #define _CUR_WM_0(pipe) _PIPE(pipe, _CUR_WM_A_0, _CUR_WM_B_0)
> #define CUR_WM(pipe, level) _MMIO(_CUR_WM_0(pipe) + ((4) * (level)))
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