drivers/gpu/drm/openchrome/via_crtc.c | 52 +++++++++++++++++++++++++---------
drivers/gpu/drm/openchrome/via_drv.h | 2 -
2 files changed, 40 insertions(+), 14 deletions(-)
New commits:
commit cad4b987d20a7e2313b961121ecdb0747e8fad8b
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Sun Jan 28 14:24:58 2018 -0800
drm/openchrome: Version bumped to 3.0.66
Display FIFO fixes for PM800 chipset.
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/openchrome/via_drv.h
b/drivers/gpu/drm/openchrome/via_drv.h
index bf6ff085bb63..89e312edfe8a 100644
--- a/drivers/gpu/drm/openchrome/via_drv.h
+++ b/drivers/gpu/drm/openchrome/via_drv.h
@@ -34,7 +34,7 @@
#define DRIVER_MAJOR 3
#define DRIVER_MINOR 0
-#define DRIVER_PATCHLEVEL 65
+#define DRIVER_PATCHLEVEL 66
#include <linux/module.h>
commit d9e920d6c81937eb3619035dd38f8375fc0c375c
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Sun Jan 28 14:15:51 2018 -0800
drm/openchrome: Correcting incorrect K8M800 IGA2 comments
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/openchrome/via_crtc.c
b/drivers/gpu/drm/openchrome/via_crtc.c
index be267bcc1f56..da8322b3e7a8 100644
--- a/drivers/gpu/drm/openchrome/via_crtc.c
+++ b/drivers/gpu/drm/openchrome/via_crtc.c
@@ -915,19 +915,21 @@ static void via_iga2_display_fifo_regs(struct drm_device
*dev,
break;
case PCI_DEVICE_ID_VIA_K8M800:
- /* SR17[7:0] */
+ /* CR95[7], CR94[7], CR68[7:4] */
iga->fifo_max_depth = 376;
- /* SR16[7], SR16[5:0] */
+ /* CR95[6:4], CR68[3:0] */
iga->fifo_threshold = 328;
- /* SR18[7], SR18[5:0] */
+ /* CR95[2:0], CR92[3:0] */
iga->fifo_high_threshold = 296;
if ((fb->format->depth == 32) &&
(mode->hdisplay >= 1400)) {
+ /* CR94[6:0] */
iga->display_queue_expire_num = 64;
} else {
+ /* CR94[6:0] */
iga->display_queue_expire_num = 128;
}
commit 7e3482553dfe2aba6c96110a4dc452894728f570
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Sun Jan 28 14:07:05 2018 -0800
drm/openchrome: Changing PM800 IGA1 and IGA2 display FIFO parameters
The display FIFO parameters came from VIA Technologies Chrome IGP open
source DDX device driver.
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/openchrome/via_crtc.c
b/drivers/gpu/drm/openchrome/via_crtc.c
index d5cc9ce9ac21..be267bcc1f56 100644
--- a/drivers/gpu/drm/openchrome/via_crtc.c
+++ b/drivers/gpu/drm/openchrome/via_crtc.c
@@ -684,12 +684,23 @@ static void via_iga1_display_fifo_regs(struct drm_device
*dev,
break;
case PCI_DEVICE_ID_VIA_PM800:
- iga->display_queue_expire_num = 128;
- iga->fifo_high_threshold = 32;
- iga->fifo_threshold = 64;
- iga->fifo_max_depth = 96;
- break;
+ /* SR17[7:0] */
+ iga->fifo_max_depth = 384;
+ /* SR16[7], SR16[5:0] */
+ iga->fifo_threshold = 128;
+
+ /* SR18[7], SR18[5:0] */
+ iga->fifo_high_threshold = 64;
+
+ if ((fb->format->depth == 32) &&
+ (mode->hdisplay >= 1400)) {
+ iga->display_queue_expire_num = 64;
+ } else {
+ iga->display_queue_expire_num = 124;
+ }
+
+ break;
case PCI_DEVICE_ID_VIA_CN700:
iga->display_queue_expire_num = 0;
iga->fifo_high_threshold = 64;
@@ -922,12 +933,25 @@ static void via_iga2_display_fifo_regs(struct drm_device
*dev,
break;
case PCI_DEVICE_ID_VIA_PM800:
- iga->display_queue_expire_num = 0;
- iga->fifo_high_threshold = 64;
- iga->fifo_threshold = 128;
- iga->fifo_max_depth = 192;
- break;
+ /* CR95[7], CR94[7], CR68[7:4] */
+ iga->fifo_max_depth = 96;
+
+ /* CR95[6:4], CR68[3:0] */
+ iga->fifo_threshold = 64;
+
+ /* CR95[2:0], CR92[3:0] */
+ iga->fifo_high_threshold = 32;
+ if ((fb->format->depth == 32) &&
+ (mode->hdisplay >= 1400)) {
+ /* CR94[6:0] */
+ iga->display_queue_expire_num = 64;
+ } else {
+ /* CR94[6:0] */
+ iga->display_queue_expire_num = 128;
+ }
+
+ break;
case PCI_DEVICE_ID_VIA_CN700:
iga->display_queue_expire_num = 128;
iga->fifo_high_threshold = 32;
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