The unique revision id is only useful for G200SE devices. Store the
value in model-specific data within struct mga_device. While at it,
the patch also adds an init helper for the value.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
---
drivers/gpu/drm/mgag200/mgag200_drv.c | 19 +++++++++++++------
drivers/gpu/drm/mgag200/mgag200_drv.h | 8 ++++++--
drivers/gpu/drm/mgag200/mgag200_mode.c | 18 +++++++++++-------
3 files changed, 30 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c
b/drivers/gpu/drm/mgag200/mgag200_drv.c
index ac9ac5b6d587..f7652e16365c 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -115,6 +115,17 @@ static int mgag200_regs_init(struct mga_device *mdev)
return 0;
}
+static void mgag200_g200se_init_unique_id(struct mga_device *mdev)
+{
+ struct drm_device *dev = &mdev->base;
+
+ /* stash G200 SE model number for later use */
+ mdev->model.g200se.unique_rev_id = RREG32(0x1e24);
+
+ drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
+ mdev->model.g200se.unique_rev_id);
+}
+
static int mgag200_device_init(struct mga_device *mdev, unsigned long flags)
{
struct drm_device *dev = &mdev->base;
@@ -127,12 +138,8 @@ static int mgag200_device_init(struct mga_device *mdev,
unsigned long flags)
if (ret)
return ret;
- /* stash G200 SE model number for later use */
- if (IS_G200_SE(mdev)) {
- mdev->unique_rev_id = RREG32(0x1e24);
- drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
- mdev->unique_rev_id);
- }
+ if (IS_G200_SE(mdev))
+ mgag200_g200se_init_unique_id(mdev);
ret = mgag200_mm_init(mdev);
if (ret)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h
b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 819c03cc626b..048efe635aff 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -166,8 +166,12 @@ struct mga_device {
int fb_mtrr;
- /* SE model number stored in reg 0x1e24 */
- u32 unique_rev_id;
+ union {
+ struct {
+ /* SE model number stored in reg 0x1e24 */
+ u32 unique_rev_id;
+ } g200se;
+ } model;
struct mga_connector connector;
struct drm_simple_display_pipe display_pipe;
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c
b/drivers/gpu/drm/mgag200/mgag200_mode.c
index 4fa64cf884cb..752409c7f326 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -112,6 +112,7 @@ static inline void mga_wait_busy(struct mga_device *mdev)
static int mga_g200se_set_plls(struct mga_device *mdev, long clock)
{
+ u32 unique_rev_id = mdev->model.g200se.unique_rev_id;
unsigned int vcomax, vcomin, pllreffreq;
unsigned int delta, tmpdelta, permitteddelta;
unsigned int testp, testm, testn;
@@ -121,7 +122,7 @@ static int mga_g200se_set_plls(struct mga_device *mdev,
long clock)
unsigned int fvv;
unsigned int i;
- if (mdev->unique_rev_id <= 0x03) {
+ if (unique_rev_id <= 0x03) {
m = n = p = 0;
vcomax = 320000;
@@ -219,7 +220,7 @@ static int mga_g200se_set_plls(struct mga_device *mdev,
long clock)
WREG_DAC(MGA1064_PIX_PLLC_N, n);
WREG_DAC(MGA1064_PIX_PLLC_P, p);
- if (mdev->unique_rev_id >= 0x04) {
+ if (unique_rev_id >= 0x04) {
WREG_DAC(0x1a, 0x09);
msleep(20);
WREG_DAC(0x1a, 0x01);
@@ -1183,12 +1184,13 @@ static void mgag200_g200se_set_hiprilvl(struct
mga_device *mdev,
const struct drm_display_mode *mode,
const struct drm_framebuffer *fb)
{
+ u32 unique_rev_id = mdev->model.g200se.unique_rev_id;
unsigned int hiprilvl;
u8 crtcext6;
- if (mdev->unique_rev_id >= 0x04) {
+ if (unique_rev_id >= 0x04) {
hiprilvl = 0;
- } else if (mdev->unique_rev_id >= 0x02) {
+ } else if (unique_rev_id >= 0x02) {
unsigned int bpp;
unsigned long mb;
@@ -1213,7 +1215,7 @@ static void mgag200_g200se_set_hiprilvl(struct mga_device
*mdev,
else
hiprilvl = 5;
- } else if (mdev->unique_rev_id >= 0x01) {
+ } else if (unique_rev_id >= 0x01) {
hiprilvl = 3;
} else {
hiprilvl = 4;
@@ -1337,7 +1339,9 @@ static enum drm_mode_status mga_vga_mode_valid(struct
drm_connector *connector,
int bpp = 32;
if (IS_G200_SE(mdev)) {
- if (mdev->unique_rev_id == 0x01) {
+ u32 unique_rev_id = mdev->model.g200se.unique_rev_id;
+
+ if (unique_rev_id == 0x01) {
if (mode->hdisplay > 1600)
return MODE_VIRTUAL_X;
if (mode->vdisplay > 1200)
@@ -1345,7 +1349,7 @@ static enum drm_mode_status mga_vga_mode_valid(struct
drm_connector *connector,
if (mga_vga_calculate_mode_bandwidth(mode, bpp)
> (24400 * 1024))
return MODE_BANDWIDTH;
- } else if (mdev->unique_rev_id == 0x02) {
+ } else if (unique_rev_id == 0x02) {
if (mode->hdisplay > 1920)
return MODE_VIRTUAL_X;
if (mode->vdisplay > 1200)
--
2.27.0
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