drivers/gpu/drm/via/via_crtc.c | 58 ++++++++++++++++++++++++++++++++++++-----
drivers/gpu/drm/via/via_drv.h | 4 +-
2 files changed, 54 insertions(+), 8 deletions(-)
New commits:
commit ac37adf54d7a0a6fa87e7483aaf1c7612ccdd9e4
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Mon Dec 26 18:59:32 2016 -0800
Version bumped to 3.0.6
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h
index 4a4e37b..308aeb5 100644
--- a/drivers/gpu/drm/via/via_drv.h
+++ b/drivers/gpu/drm/via/via_drv.h
@@ -27,11 +27,11 @@
#define DRIVER_AUTHOR "The OpenChrome Project"
#define DRIVER_NAME "via"
#define DRIVER_DESC "OpenChrome DRM for VIA Technologies Chrome IGP"
-#define DRIVER_DATE "20161222"
+#define DRIVER_DATE "20161226"
#define DRIVER_MAJOR 3
#define DRIVER_MINOR 0
-#define DRIVER_PATCHLEVEL 5
+#define DRIVER_PATCHLEVEL 6
#include <linux/module.h>
commit f03eb4067b140d43a0f0aa3b53766c80755eeb63
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Mon Dec 26 18:57:05 2016 -0800
Added viaIGA2SetPaletteLUTResolution function
This function gets called from via_iga2_mode_set_base_atomic
callback function.
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
index 3050584..b403806 100644
--- a/drivers/gpu/drm/via/via_crtc.c
+++ b/drivers/gpu/drm/via/via_crtc.c
@@ -168,6 +168,18 @@ viaIGA2SetColorDepth(struct drm_via_private *dev_priv,
}
static inline void
+viaIGA2SetPaletteLUTResolution(void __iomem *regs, bool paletteLUT)
+{
+ /* Set the palette LUT resolution for IGA2. */
+ /* 3X5.6A[5] - IGA2 6 / 8 Bit LUT
+ * 0: 6-bit
+ * 1: 8-bit */
+ svga_wcrt_mask(regs, 0x6A, paletteLUT ? BIT(5) : 0, BIT(5));
+ DRM_INFO("IGA2 Palette LUT Resolution: %s bit\n",
+ paletteLUT ? "8" : "6");
+}
+
+static inline void
viaIGA2InterlaceMode(void __iomem *regs, bool interlaceMode)
{
svga_wcrt_mask(regs, 0x67, interlaceMode ? BIT(5) : 0, BIT(5));
@@ -1435,6 +1447,9 @@ via_iga2_mode_set_base_atomic(struct drm_crtc *crtc,
viaIGACommonInit(VGABASE);
+ /* Set palette LUT to 8-bit mode. */
+ viaIGA2SetPaletteLUTResolution(VGABASE, true);
+
viaIGA2SetColorDepth(dev_priv, fb->depth);
/* Set the framebuffer offset */
commit 425cd92d081f13b835fbf08599471ccdc23f878c
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Mon Dec 26 18:55:27 2016 -0800
Calling viaIGACommonInit from via_iga2_mode_set_base_atomic
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
index db1347c..3050584 100644
--- a/drivers/gpu/drm/via/via_crtc.c
+++ b/drivers/gpu/drm/via/via_crtc.c
@@ -1433,6 +1433,8 @@ via_iga2_mode_set_base_atomic(struct drm_crtc *crtc,
return -EINVAL;
}
+ viaIGACommonInit(VGABASE);
+
viaIGA2SetColorDepth(dev_priv, fb->depth);
/* Set the framebuffer offset */
commit 838b4377a09be8036a70f1ee883aa8052c425be7
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Mon Dec 26 18:52:46 2016 -0800
Moving initialization code inside via_iga1_mode_set_base_atomic
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
index d4eaca7..db1347c 100644
--- a/drivers/gpu/drm/via/via_crtc.c
+++ b/drivers/gpu/drm/via/via_crtc.c
@@ -1269,6 +1269,11 @@ via_iga1_mode_set_base_atomic(struct drm_crtc *crtc,
return -EINVAL;
}
+ viaIGACommonInit(VGABASE);
+
+ /* Set palette LUT to 8-bit mode. */
+ viaIGA1SetPaletteLUTResolution(VGABASE, true);
+
viaIGA1SetColorDepth(dev_priv, fb->depth);
/* Set the framebuffer offset */
@@ -1290,10 +1295,6 @@ via_iga1_mode_set_base_atomic(struct drm_crtc *crtc,
* second adapter */
load_value_to_registers(VGABASE, &iga->offset, pitch >> 3);
- viaIGACommonInit(VGABASE);
-
- /* Set palette LUT to 8-bit mode. */
- viaIGA1SetPaletteLUTResolution(VGABASE, true);
return 0;
}
commit ae90141b77096625c0a32f50b5bed98f28f5c37d
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Mon Dec 26 18:50:53 2016 -0800
Added viaIGACommonInit function
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
index f798a34..d4eaca7 100644
--- a/drivers/gpu/drm/via/via_crtc.c
+++ b/drivers/gpu/drm/via/via_crtc.c
@@ -46,6 +46,24 @@ static struct vga_regset vpit_table[] = {
};
static void
+viaIGACommonInit(void __iomem *regs)
+{
+ DRM_DEBUG("Entered viaIGACommonInit.\n");
+
+ /* Be careful with 3C5.15[5] - Wrap Around Disable.
+ * It must be set to 1 for proper operation. */
+ /* 3C5.15[5] - Wrap Around Disable
+ * 0: Disable (For Mode 0-13)
+ * 1: Enable
+ * 3C5.15[1] - Extended Display Mode Enable
+ * 0: Disable
+ * 1: Enable */
+ svga_wseq_mask(regs, 0x15, BIT(5) | BIT(1), BIT(5) | BIT(1));
+
+ DRM_DEBUG("Exiting viaIGACommonInit.\n");
+}
+
+static void
viaIGA1SetColorDepth(struct drm_via_private *dev_priv,
u8 depth)
{
@@ -1244,7 +1262,6 @@ via_iga1_mode_set_base_atomic(struct drm_crtc *crtc,
struct drm_via_private *dev_priv = crtc->dev->dev_private;
struct drm_gem_object *obj = fb->helper_private;
struct ttm_buffer_object *bo = ttm_gem_mapping(obj);
- u8 value;
if ((fb->depth != 8) && (fb->depth != 16) && (fb->depth != 24)
&& (fb->depth != 32)) {
@@ -1273,10 +1290,7 @@ via_iga1_mode_set_base_atomic(struct drm_crtc *crtc,
* second adapter */
load_value_to_registers(VGABASE, &iga->offset, pitch >> 3);
- /* Bit 5 enables wrap around
- * and bit 1 enables extended display mode */
- value = BIT(5) | BIT(1);
- svga_wseq_mask(VGABASE, 0x15, value, 0x22);
+ viaIGACommonInit(VGABASE);
/* Set palette LUT to 8-bit mode. */
viaIGA1SetPaletteLUTResolution(VGABASE, true);
commit 3cc9a655511f4112658a6fd1346b7ba0ef58c558
Author: Kevin Brace <kevinbr...@gmx.com>
Date: Mon Dec 26 18:48:53 2016 -0800
Added viaIGA1SetPaletteLUTResolution function
Signed-off-by: Kevin Brace <kevinbr...@gmx.com>
diff --git a/drivers/gpu/drm/via/via_crtc.c b/drivers/gpu/drm/via/via_crtc.c
index 41804e2..f798a34 100644
--- a/drivers/gpu/drm/via/via_crtc.c
+++ b/drivers/gpu/drm/via/via_crtc.c
@@ -90,6 +90,18 @@ viaIGA1SetColorDepth(struct drm_via_private *dev_priv,
}
static inline void
+viaIGA1SetPaletteLUTResolution(void __iomem *regs, bool paletteLUT)
+{
+ /* Set the palette LUT resolution for IGA1. */
+ /* 3C5.15[7] - IGA1 6 / 8 Bit LUT
+ * 0: 6-bit
+ * 1: 8-bit */
+ svga_wseq_mask(regs, 0x15, paletteLUT ? BIT(7) : 0, BIT(7));
+ DRM_INFO("IGA1 Palette LUT Resolution: %s bit\n",
+ paletteLUT ? "8" : "6");
+}
+
+static inline void
viaIGA1InterlaceMode(void __iomem *regs, bool interlaceMode)
{
svga_wcrt_mask(regs, 0x33, interlaceMode ? BIT(6) : 0, BIT(6));
@@ -1261,11 +1273,13 @@ via_iga1_mode_set_base_atomic(struct drm_crtc *crtc,
* second adapter */
load_value_to_registers(VGABASE, &iga->offset, pitch >> 3);
- /* Bit 7 set LUT bit size to 8 bit. Bit 5 enables wrap around
+ /* Bit 5 enables wrap around
* and bit 1 enables extended display mode */
- value = BIT(7) | BIT(5) | BIT(1);
- svga_wseq_mask(VGABASE, 0x15, value, 0xA2);
+ value = BIT(5) | BIT(1);
+ svga_wseq_mask(VGABASE, 0x15, value, 0x22);
+ /* Set palette LUT to 8-bit mode. */
+ viaIGA1SetPaletteLUTResolution(VGABASE, true);
return 0;
}
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