Re: [PATCH 8/8] drm/i915/dmc: split out dmc registers to a separate file

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On Thu, Mar 17, 2022 at 08:36:20PM +0200, Jani Nikula wrote:
Clean up the massive i915_reg.h a bit with this isolated set of
registers.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dmc.c      |  1 +
drivers/gpu/drm/i915/display/intel_dmc_regs.h | 31 +++++++++++++++++++
drivers/gpu/drm/i915/gvt/handlers.c           |  1 +
drivers/gpu/drm/i915/i915_reg.h               | 21 -------------
4 files changed, 33 insertions(+), 21 deletions(-)
create mode 100644 drivers/gpu/drm/i915/display/intel_dmc_regs.h

diff --git a/drivers/gpu/drm/i915/display/intel_dmc.c b/drivers/gpu/drm/i915/display/intel_dmc.c
index 7b7c757ce0ee..4d292a016ca0 100644
--- a/drivers/gpu/drm/i915/display/intel_dmc.c
+++ b/drivers/gpu/drm/i915/display/intel_dmc.c
@@ -28,6 +28,7 @@
#include "i915_reg.h"
#include "intel_de.h"
#include "intel_dmc.h"
+#include "intel_dmc_regs.h"

/**
 * DOC: DMC Firmware Support
diff --git a/drivers/gpu/drm/i915/display/intel_dmc_regs.h b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
new file mode 100644
index 000000000000..e436fe93a2da
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_dmc_regs.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+#ifndef __INTEL_DMC_REGS_H__
+#define __INTEL_DMC_REGS_H__
+
+#include "i915_reg_defs.h"
+
+#define DMC_PROGRAM(addr, i)	_MMIO((addr) + (i) * 4)
+#define DMC_SSP_BASE_ADDR_GEN9	0x00002FC0
+#define DMC_HTP_ADDR_SKL	0x00500034
+#define DMC_SSP_BASE		_MMIO(0x8F074)
+#define DMC_HTP_SKL		_MMIO(0x8F004)
+#define DMC_LAST_WRITE		_MMIO(0x8F034)
+#define DMC_LAST_WRITE_VALUE	0xc003b400
+/* MMIO address range for DMC program (0x80000 - 0x82FFF) */

this comment seems outdated. Or at least unneeded

Anyway:

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

Lucas De Marchi

+#define DMC_MMIO_START_RANGE	0x80000
+#define DMC_MMIO_END_RANGE	0x8FFFF
+#define SKL_DMC_DC3_DC5_COUNT	_MMIO(0x80030)
+#define SKL_DMC_DC5_DC6_COUNT	_MMIO(0x8002C)
+#define BXT_DMC_DC3_DC5_COUNT	_MMIO(0x80038)
+#define TGL_DMC_DEBUG_DC5_COUNT	_MMIO(0x101084)
+#define TGL_DMC_DEBUG_DC6_COUNT	_MMIO(0x101088)
+#define DG1_DMC_DEBUG_DC5_COUNT	_MMIO(0x134154)
+
+#define TGL_DMC_DEBUG3		_MMIO(0x101090)
+#define DG1_DMC_DEBUG3		_MMIO(0x13415c)
+
+#endif /* __INTEL_DMC_REGS_H__ */



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