[Intel-gfx] [PATCH 11/13] drm/i915/dsb: Add mode DSB opcodes
Manna, Animesh
animesh.manna at intel.com
Thu Jan 5 15:22:18 UTC 2023
> -----Original Message-----
> From: Intel-gfx <intel-gfx-bounces at lists.freedesktop.org> On Behalf Of Ville
> Syrjala
> Sent: Friday, December 16, 2022 6:08 AM
> To: intel-gfx at lists.freedesktop.org
> Subject: [Intel-gfx] [PATCH 11/13] drm/i915/dsb: Add mode DSB opcodes
>
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Add all the know DSB instruction opcodes.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
> drivers/gpu/drm/i915/display/intel_dsb.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c
> b/drivers/gpu/drm/i915/display/intel_dsb.c
> index 7c593ec84d41..96bc117fd6a0 100644
> --- a/drivers/gpu/drm/i915/display/intel_dsb.c
> +++ b/drivers/gpu/drm/i915/display/intel_dsb.c
> @@ -67,8 +67,16 @@ struct intel_dsb {
>
> /* DSB opcodes. */
> #define DSB_OPCODE_SHIFT 24
> +#define DSB_OPCODE_NOOP 0x0
> #define DSB_OPCODE_MMIO_WRITE 0x1
> +#define DSB_OPCODE_WAIT_USEC 0x2
> +#define DSB_OPCODE_WAIT_LINES 0x3
> +#define DSB_OPCODE_WAIT_VBLANKS 0x4
> +#define DSB_OPCODE_WAIT_DSL_IN 0x5
> +#define DSB_OPCODE_WAIT_DSL_OUT 0x6
> +#define DSB_OPCODE_INTERRUPT 0x7
> #define DSB_OPCODE_INDEXED_WRITE 0x9
> +#define DSB_OPCODE_POLL 0xA
> #define DSB_BYTE_EN 0xF
> #define DSB_BYTE_EN_SHIFT 20
> #define DSB_REG_VALUE_MASK 0xfffff
Not sure if we can check-in the above macros without its usage.
Regards,
Animesh
> --
> 2.37.4
More information about the Intel-gfx
mailing list