From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: "Shankar, Uma" <uma.shankar@intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH v2 05/19] drm/i915/dsb: Define the contents of some intstructions bit better
Date: Wed, 27 Sep 2023 18:38:12 +0300 [thread overview]
Message-ID: <ZRRMZP-5bCnENM2O@intel.com> (raw)
In-Reply-To: <DM4PR11MB6360F135F0BAB87C3FE9D389F4F2A@DM4PR11MB6360.namprd11.prod.outlook.com>
On Mon, Sep 11, 2023 at 08:50:24PM +0000, Shankar, Uma wrote:
>
>
> > -----Original Message-----
> > From: Intel-gfx <intel-gfx-bounces@lists.freedesktop.org> On Behalf Of Ville
> > Syrjala
> > Sent: Wednesday, June 7, 2023 12:45 AM
> > To: intel-gfx@lists.freedesktop.org
> > Subject: [Intel-gfx] [PATCH v2 05/19] drm/i915/dsb: Define the contents of some
> > intstructions bit better
> >
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> >
> > Add some defines to specify what goes inside certain DSB instructions.
>
> Only upper and lower shift seems to be added in the patch, do we need a
> separate patch for this or we can squash with where its used.
> Will leave the decision to you.
>
> >
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > ---
> > drivers/gpu/drm/i915/display/intel_dsb.c | 12 ++++++++----
> > 1 file changed, 8 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c
> > b/drivers/gpu/drm/i915/display/intel_dsb.c
> > index 42911abcd3ab..093b2567883d 100644
> > --- a/drivers/gpu/drm/i915/display/intel_dsb.c
> > +++ b/drivers/gpu/drm/i915/display/intel_dsb.c
> > @@ -70,17 +70,21 @@ struct intel_dsb {
> > #define DSB_OPCODE_SHIFT 24
> > #define DSB_OPCODE_NOOP 0x0
> > #define DSB_OPCODE_MMIO_WRITE 0x1
> > +#define DSB_BYTE_EN 0xf
> > +#define DSB_BYTE_EN_SHIFT 20
> > +#define DSB_REG_VALUE_MASK 0xfffff
> > #define DSB_OPCODE_WAIT_USEC 0x2
> > -#define DSB_OPCODE_WAIT_LINES 0x3
> > +#define DSB_OPCODE_WAIT_SCANLINE 0x3
> > #define DSB_OPCODE_WAIT_VBLANKS 0x4
> > #define DSB_OPCODE_WAIT_DSL_IN 0x5
> > #define DSB_OPCODE_WAIT_DSL_OUT 0x6
> > +#define DSB_SCANLINE_UPPER_SHIFT 20
> > +#define DSB_SCANLINE_LOWER_SHIFT 0
> > #define DSB_OPCODE_INTERRUPT 0x7
> > #define DSB_OPCODE_INDEXED_WRITE 0x9
> > +/* see DSB_REG_VALUE_MASK */
> > #define DSB_OPCODE_POLL 0xA
> > -#define DSB_BYTE_EN 0xF
> > -#define DSB_BYTE_EN_SHIFT 20
> > -#define DSB_REG_VALUE_MASK 0xfffff
> > +/* see DSB_REG_VALUE_MASK */
>
> This comment seems redundant. With this fixed,
The comment indicates that DSB_OPCODE_POLL also uses DSB_REG_VALUE_MASK,
similar to DSB_OPCODE_INDEXED_WRITE.
> Reviewed-by: Uma Shankar <uma.shankar@intel.com>
>
> >
> > static bool assert_dsb_has_room(struct intel_dsb *dsb) {
> > --
> > 2.39.3
>
--
Ville Syrjälä
Intel
next prev parent reply other threads:[~2023-09-27 15:38 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-06 19:14 [Intel-gfx] [PATCH v2 00/19] drm/i915: Load LUTs with DSB Ville Syrjala
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 01/19] drm/i915: Constify LUT entries in checker Ville Syrjala
2023-07-05 9:43 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 02/19] drm/i915/dsb: Use non-locked register access Ville Syrjala
2023-06-08 11:46 ` Jani Nikula
2023-09-11 20:22 ` Shankar, Uma
2023-09-12 7:37 ` Jani Nikula
2023-09-12 7:49 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 03/19] drm/i915/dsb: Dump the DSB command buffer when DSB fails Ville Syrjala
2023-07-11 4:55 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 04/19] drm/i915/dsb: Define more DSB bits Ville Syrjala
2023-09-11 20:32 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 05/19] drm/i915/dsb: Define the contents of some intstructions bit better Ville Syrjala
2023-09-11 20:50 ` Shankar, Uma
2023-09-27 15:38 ` Ville Syrjälä [this message]
2023-09-27 16:16 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 06/19] drm/i915/dsb: Avoid corrupting the first register write Ville Syrjala
2023-07-05 9:39 ` Manna, Animesh
2023-07-05 9:46 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 07/19] drm/i915/dsb: Don't use indexed writes when byte enables are not all set Ville Syrjala
2023-07-11 5:00 ` Manna, Animesh
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 08/19] drm/i915/dsb: Introduce intel_dsb_noop() Ville Syrjala
2023-09-11 20:52 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 09/19] drm/i915/dsb: Introduce intel_dsb_reg_write_masked() Ville Syrjala
2023-09-11 20:55 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 10/19] drm/i915/dsb: Add support for non-posted DSB registers writes Ville Syrjala
2023-07-11 5:43 ` Manna, Animesh
2023-09-11 21:04 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 11/19] drm/i915/dsb: Don't use DSB to load the LUTs during full modeset Ville Syrjala
2023-09-11 21:09 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 12/19] drm/i915/dsb: Load LUTs using the DSB during vblank Ville Syrjala
2023-09-13 16:24 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 13/19] drm/i915/dsb: Use non-posted register writes for legacy LUT Ville Syrjala
2023-09-13 17:02 ` Shankar, Uma
2023-06-06 19:14 ` [Intel-gfx] [PATCH v2 14/19] drm/i915/dsb: Evade transcoder undelayed vblank when using DSB Ville Syrjala
2023-09-13 17:13 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 15/19] drm/i915: Introduce skl_watermark_max_latency() Ville Syrjala
2023-09-13 17:25 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 16/19] drm/i915: Introudce intel_crtc_scanline_to_hw() Ville Syrjala
2023-09-13 17:37 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 17/19] drm/i915/dsb: Use DEwake to combat PkgC latency Ville Syrjala
2023-09-13 18:08 ` Shankar, Uma
2023-09-27 15:51 ` Ville Syrjälä
2023-09-27 16:11 ` Shankar, Uma
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 18/19] drm/i915/dsb: Re-instate DSB for LUT updates Ville Syrjala
2023-09-13 18:09 ` Shankar, Uma
2025-01-13 19:26 ` Ed Maste
2025-01-17 14:51 ` Ville Syrjälä
2023-06-06 19:15 ` [Intel-gfx] [PATCH v2 19/19] drm/i915: Do state check for color management changes Ville Syrjala
2023-06-06 22:34 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915: Load LUTs with DSB (rev2) Patchwork
2023-06-06 22:34 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2023-06-06 22:48 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-06-07 14:02 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2023-09-27 16:05 ` [Intel-gfx] [PATCH v2 00/19] drm/i915: Load LUTs with DSB Ville Syrjälä
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