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From: Thomas Zimmermann <tzimmermann@suse.de>
To: daniel@ffwll.ch, airlied@redhat.com, sam@ravnborg.org,
	emil.velikov@collabora.com, lyude@redhat.com, krzk@kernel.org,
	john.p.donnelly@Oracle.com, rong.a.chen@intel.com,
	kraxel@redhat.com, eich@suse.com, tiwai@suse.de
Cc: Thomas Zimmermann <tzimmermann@suse.de>, dri-devel@lists.freedesktop.org
Subject: [PATCH 6/8] drm/mgag200: Clear <page> field during MM init
Date: Wed, 15 Jul 2020 16:59:00 +0200	[thread overview]
Message-ID: <20200715145902.13122-7-tzimmermann@suse.de> (raw)
In-Reply-To: <20200715145902.13122-1-tzimmermann@suse.de>

The modesetting code initialized the memory-related register CRTCEXT4.
Move this code to MM initialization.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/mgag200/mgag200_mm.c   | 2 ++
 drivers/gpu/drm/mgag200/mgag200_mode.c | 6 +-----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/mgag200/mgag200_mm.c b/drivers/gpu/drm/mgag200/mgag200_mm.c
index 1b1918839e1e..641f1aa992be 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mm.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mm.c
@@ -94,6 +94,8 @@ int mgag200_mm_init(struct mga_device *mdev)
 	resource_size_t start, len;
 	int ret;
 
+	WREG_ECRT(0x04, 0x00);
+
 	misc = RREG8(MGA_MISC_IN);
 	misc |= MGAREG_MISC_RAMMAPEN |
 		MGAREG_MISC_HIGH_PG_SEL;
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 66818ee10694..4fa64cf884cb 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -946,7 +946,7 @@ static void mgag200_set_dac_regs(struct mga_device *mdev)
 
 static void mgag200_init_regs(struct mga_device *mdev)
 {
-	u8 crtc11, crtcext4, misc;
+	u8 crtc11, misc;
 
 	mgag200_set_dac_regs(mdev);
 
@@ -961,10 +961,6 @@ static void mgag200_init_regs(struct mga_device *mdev)
 	WREG_CRT(14, 0);
 	WREG_CRT(15, 0);
 
-	crtcext4 = 0x00;
-
-	WREG_ECRT(0x04, crtcext4);
-
 	RREG_CRT(0x11, crtc11);
 	crtc11 &= ~(MGAREG_CRTC11_CRTCPROTECT |
 		    MGAREG_CRTC11_VINTEN |
-- 
2.27.0

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  parent reply	other threads:[~2020-07-15 14:59 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15 14:58 [PATCH 0/8] drm/mgag200: Support desktop chips Thomas Zimmermann
2020-07-15 14:58 ` [PATCH 1/8] drm/mgag200: Enable caching for SHMEM pages Thomas Zimmermann
2020-07-15 14:58 ` [PATCH 2/8] drm/mgag200: Move register initialization into helper function Thomas Zimmermann
2020-07-15 14:58 ` [PATCH 3/8] drm/mgag200: Initialize PCI registers early during device setup Thomas Zimmermann
2020-07-15 14:58 ` [PATCH 4/8] drm/mgag200: Enable MGA mode during device register initialization Thomas Zimmermann
2020-07-15 14:58 ` [PATCH 5/8] drm/mgag200: Set MISC memory flags in mm init code Thomas Zimmermann
2020-07-15 14:59 ` Thomas Zimmermann [this message]
2020-07-15 14:59 ` [PATCH 7/8] drm/mgag200: Move G200SE's unique id into model-specific data Thomas Zimmermann
2020-07-15 14:59 ` [PATCH 8/8] drm/mgag200: Add support for G200 desktop cards Thomas Zimmermann
2020-07-15 23:33   ` kernel test robot
2020-07-16 22:43   ` Lyude Paul
2020-07-17  5:45     ` Sam Ravnborg
2020-07-20  7:04     ` Thomas Zimmermann
2020-07-20 19:18       ` Lyude Paul
2020-07-20 20:16         ` Sam Ravnborg
2020-07-21  7:19         ` Thomas Zimmermann
2020-07-15 19:56 ` [PATCH 0/8] drm/mgag200: Support desktop chips Dave Airlie
2020-07-15 20:48   ` Daniel Vetter
2020-07-16  5:44   ` Thomas Zimmermann
2020-07-16  5:55     ` Thomas Zimmermann
2020-07-16  8:22   ` Egbert Eich
2020-07-15 22:32 ` Lyude Paul

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