From: Lucas De Marchi <lucas.demarchi@intel.com>
To: intel-gfx@lists.freedesktop.org
Subject: [Intel-gfx] [PATCH v6 11/24] drm/i915/dg1: invert HPD pins
Date: Tue, 29 Sep 2020 23:42:21 -0700 [thread overview]
Message-ID: <20200930064234.85769-12-lucas.demarchi@intel.com> (raw)
In-Reply-To: <20200930064234.85769-1-lucas.demarchi@intel.com>
From: Clinton A Taylor <clinton.a.taylor@intel.com>
HPD pins are inverted for DG1 platform.
Bspec: 49956
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Clinton A Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 9 +++++++++
drivers/gpu/drm/i915/i915_reg.h | 4 ++++
2 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 0d6e4894b505..d76974d957b3 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3288,6 +3288,15 @@ static void jsp_hpd_irq_setup(struct drm_i915_private *dev_priv)
static void dg1_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
+ u32 val;
+
+ val = I915_READ(SOUTH_CHICKEN1);
+ val |= (INVERT_DDIA_HPD |
+ INVERT_DDIB_HPD |
+ INVERT_DDIC_HPD |
+ INVERT_DDID_HPD);
+ I915_WRITE(SOUTH_CHICKEN1, val);
+
icp_hpd_irq_setup(dev_priv,
DG1_DDI_HPD_ENABLE_MASK, 0);
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 310bc568a966..d3600a9e6370 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -8694,6 +8694,10 @@ enum {
#define SOUTH_CHICKEN1 _MMIO(0xc2000)
#define FDIA_PHASE_SYNC_SHIFT_OVR 19
#define FDIA_PHASE_SYNC_SHIFT_EN 18
+#define INVERT_DDID_HPD (1 << 18)
+#define INVERT_DDIC_HPD (1 << 17)
+#define INVERT_DDIB_HPD (1 << 16)
+#define INVERT_DDIA_HPD (1 << 15)
#define FDI_PHASE_SYNC_OVR(pipe) (1 << (FDIA_PHASE_SYNC_SHIFT_OVR - ((pipe) * 2)))
#define FDI_PHASE_SYNC_EN(pipe) (1 << (FDIA_PHASE_SYNC_SHIFT_EN - ((pipe) * 2)))
#define FDI_BC_BIFURCATION_SELECT (1 << 12)
--
2.28.0
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next prev parent reply other threads:[~2020-09-30 6:42 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 6:42 [Intel-gfx] [PATCH v6 00/24] Introduce DG1 Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 01/24] drm/i915/dg1: add more PCI ids Lucas De Marchi
2020-09-30 14:00 ` Matt Roper
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 02/24] drm/i915/dg1: Initialize RAWCLK properly Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 03/24] drm/i915/dg1: Define MOCS table for DG1 Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 04/24] drm/i915/dg1: Add DG1 power wells Lucas De Marchi
2020-09-30 15:44 ` Matt Roper
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 05/24] drm/i915/dg1: Increase mmio size to 4MB Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 06/24] drm/i915/dg1: Wait for pcode/uncore handshake at startup Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 07/24] drm/i915/dg1: Add DPLL macros for DG1 Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 08/24] drm/i915/dg1: Add and setup DPLLs " Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 09/24] drm/i915/dg1: Enable DPLL " Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 10/24] drm/i915/dg1: add hpd interrupt handling Lucas De Marchi
2020-09-30 6:42 ` Lucas De Marchi [this message]
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 12/24] drm/i915/dg1: gmbus pin mapping Lucas De Marchi
2020-09-30 16:17 ` Matt Roper
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 13/24] drm/i915/dg1: Enable first 2 ports for DG1 Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 14/24] drm/i915/dg1: Don't program PHY_MISC for PHY-C and PHY-D Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 15/24] drm/i915/dg1: Update comp master/slave relationships for PHYs Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 16/24] drm/i915/dg1: Update voltage swing tables for DP Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 17/24] drm/i915/dg1: provide port/phy mapping for vbt Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 18/24] drm/i915/dg1: map/unmap pll clocks Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 19/24] drm/i915/dg1: enable PORT C/D aka D/E Lucas De Marchi
2020-09-30 17:33 ` Matt Roper
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 20/24] drm/i915/dg1: Load DMC Lucas De Marchi
2020-09-30 16:10 ` Matt Roper
2020-09-30 16:18 ` Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 21/24] drm/i915/dg1: Add initial DG1 workarounds Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 22/24] drm/i915/dg1: DG1 does not support DC6 Lucas De Marchi
2020-09-30 16:50 ` Matt Roper
2020-10-08 4:20 ` Lucas De Marchi
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 23/24] drm/i915/dg1: Change DMC_DEBUG{1, 2} registers Lucas De Marchi
2020-09-30 17:20 ` Matt Roper
2020-10-01 5:16 ` Lucas De Marchi
2020-10-01 14:51 ` Matt Roper
2020-09-30 6:42 ` [Intel-gfx] [PATCH v6 24/24] drm/i915/dgfx: define llc and snooping behaviour Lucas De Marchi
2020-09-30 7:25 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Introduce DG1 Patchwork
2020-09-30 7:26 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork
2020-09-30 7:44 ` [Intel-gfx] ✗ Fi.CI.BAT: failure " Patchwork
2020-09-30 8:01 ` Lucas De Marchi
2020-09-30 9:14 ` Matthew Auld
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