From: Imre Deak <imre.deak@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v2 09/10] drm/i915/adl_p: Require a minimum of 8 tiles stride for DPT FBs
Date: Thu, 6 May 2021 19:19:29 +0300 [thread overview]
Message-ID: <20210506161930.309688-10-imre.deak@intel.com> (raw)
In-Reply-To: <20210506161930.309688-1-imre.deak@intel.com>
The specification only requires DPT FB strides to be POT aligned, but
there seems to be also a minimum of 8 stride tile requirement. Scanning
out FBs with < 8 stride tiles will result in pipe faults (even though
the stride is POT aligned).
Signed-off-by: Imre Deak <imre.deak@intel.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
---
drivers/gpu/drm/i915/display/intel_fb.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c
index 927440ed14f48..29c558fbb397a 100644
--- a/drivers/gpu/drm/i915/display/intel_fb.c
+++ b/drivers/gpu/drm/i915/display/intel_fb.c
@@ -601,7 +601,11 @@ plane_view_dst_stride_tiles(const struct intel_framebuffer *fb, int color_plane,
unsigned int pitch_tiles)
{
if (intel_fb_needs_pot_stride_remap(fb))
- return roundup_pow_of_two(pitch_tiles);
+ /*
+ * ADL_P, the only platform needing a POT stride has a minimum
+ * of 8 stride tiles.
+ */
+ return roundup_pow_of_two(max(pitch_tiles, 8u));
else
return pitch_tiles;
}
--
2.27.0
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next prev parent reply other threads:[~2021-05-06 16:19 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 16:19 [Intel-gfx] [PATCH v2 00/10] drm/i915/adl_p: Add support for Display Page Tables Imre Deak
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 01/10] drm/i915/xelpd: add XE_LPD display characteristics Imre Deak
2021-05-06 19:09 ` Souza, Jose
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 02/10] drm/i915/adl_p: Add PCI Devices IDs Imre Deak
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 03/10] drm/i915/adl_p: ADL_P device info enabling Imre Deak
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 04/10] drm/i915/xelpd: First stab at DPT support Imre Deak
2021-07-28 6:50 ` Daniel Vetter
2021-07-28 16:41 ` Rodrigo Vivi
2021-07-28 19:06 ` Daniel Vetter
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 05/10] drm/i915/xelpd: Fallback to plane stride limitations when using DPT Imre Deak
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 06/10] drm/i915/xelpd: Support 128k plane stride Imre Deak
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 07/10] drm/i915/adl_p: Add stride restriction when using DPT Imre Deak
2021-05-06 21:03 ` Clint Taylor
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 08/10] drm/i915/adl_p: Disable support for 90/270 FB rotation Imre Deak
2021-05-06 16:19 ` Imre Deak [this message]
2021-05-06 16:19 ` [Intel-gfx] [PATCH v2 10/10] drm/i915/adl_p: Enable remapping to pad DPT FB strides to POT Imre Deak
2021-05-06 16:32 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/adl_p: Add support for Display Page Tables (rev2) Patchwork
2021-05-06 16:34 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2021-05-06 17:03 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2021-05-06 17:58 ` Imre Deak
2021-05-06 19:12 ` Vudum, Lakshminarayana
2021-05-06 18:14 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2021-05-06 20:17 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2021-05-07 9:36 ` Imre Deak
2021-05-07 14:56 ` Vudum, Lakshminarayana
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