Re: [v2][PATCH] drm/i915: Add Pipe D cursor ctrl register for Gen12

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On Tue, Sep 24, 2019 at 12:30 AM Nautiyal, Ankit K
<ankit.k.nautiyal@xxxxxxxxx> wrote:
>
> From: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
>
> Currently the offset for PIPE D cursor control register is missing in
> i915_reg.h due to which the cursor plane cannot be enabled for Pipe D.
> This also causes kernel Warning, when a user requests to enable cursor
> plane for PIPE D for Gen 12 platforms.
>
> This patch adds the CURSOR_CTL_D register in the i915_reg.h.
>
> v2: Rebase
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=111640
> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>

Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>

Lucas De Marchi

> ---
>  drivers/gpu/drm/i915/i915_pci.c | 10 ++++++++++
>  drivers/gpu/drm/i915/i915_reg.h |  1 +
>  2 files changed, 11 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> index c2faa67..dc048d9 100644
> --- a/drivers/gpu/drm/i915/i915_pci.c
> +++ b/drivers/gpu/drm/i915/i915_pci.c
> @@ -118,6 +118,15 @@
>                 [PIPE_C] = IVB_CURSOR_C_OFFSET, \
>         }
>
> +#define TGL_CURSOR_OFFSETS \
> +       .cursor_offsets = { \
> +               [PIPE_A] = CURSOR_A_OFFSET, \
> +               [PIPE_B] = IVB_CURSOR_B_OFFSET, \
> +               [PIPE_C] = IVB_CURSOR_C_OFFSET, \
> +               [PIPE_D] = TGL_CURSOR_D_OFFSET, \
> +       }
> +
> +
>  #define I9XX_COLORS \
>         .color = { .gamma_lut_size = 256 }
>  #define I965_COLORS \
> @@ -787,6 +796,7 @@ static const struct intel_device_info intel_elkhartlake_info = {
>                 [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
>                 [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
>         }, \
> +       TGL_CURSOR_OFFSETS, \
>         .has_global_mocs = 1, \
>         .display.has_dsb = 1
>
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index a69c19a..28c483a 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -6240,6 +6240,7 @@ enum {
>  #define CHV_CURSOR_C_OFFSET 0x700e0
>  #define IVB_CURSOR_B_OFFSET 0x71080
>  #define IVB_CURSOR_C_OFFSET 0x72080
> +#define TGL_CURSOR_D_OFFSET 0x73080
>
>  /* Display A control */
>  #define _DSPACNTR                              0x70180
> --
> 2.7.4
>
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-- 
Lucas De Marchi
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