[Nouveau] [PATCH 3/7] fb/ramnva3: Ressurect timing calculation code
Roy Spliet
rspliet at eclipso.eu
Mon Sep 29 10:27:15 PDT 2014
Signed-off-by: Roy Spliet <rspliet at eclipso.eu>
---
.../drm/nouveau/core/include/subdev/bios/ramcfg.h | 20 ++++++
drivers/gpu/drm/nouveau/core/subdev/bios/timing.c | 42 +++++++++--
drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c | 81 +++++++++++++++++++---
3 files changed, 129 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h
index a685bbd..0b4bdc2 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h
@@ -95,9 +95,29 @@ struct nvbios_ramcfg {
union {
struct {
unsigned timing_10_WR:8;
+ unsigned timing_10_WTR:8;
unsigned timing_10_CL:8;
+ unsigned timing_10_RC:8;
+ /*empty: 4 */
+ unsigned timing_10_RFC:8; /* Byte 5 */
+ /*empty: 6 */
+ unsigned timing_10_RAS:8; /* Byte 7 */
+ /*empty: 8 */
+ unsigned timing_10_RP:8; /* Byte 9 */
+ unsigned timing_10_RCDRD:8;
+ unsigned timing_10_RCDWR:8;
+ unsigned timing_10_RRD:8;
+ unsigned timing_10_13:8;
unsigned timing_10_ODT:3;
+ /* empty: 15 */
+ unsigned timing_10_16:8;
+ /* empty: 17 */
+ unsigned timing_10_18:8;
unsigned timing_10_CWL:8;
+ unsigned timing_10_20:8;
+ unsigned timing_10_21:8;
+ /* empty: 22, 23 */
+ unsigned timing_10_24:8;
};
struct {
unsigned timing_20_2e_03:2;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c b/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c
index 46d955e..8521eca 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/timing.c
@@ -93,10 +93,44 @@ nvbios_timingEp(struct nouveau_bios *bios, int idx,
p->timing_hdr = *hdr;
switch (!!data * *ver) {
case 0x10:
- p->timing_10_WR = nv_ro08(bios, data + 0x00);
- p->timing_10_CL = nv_ro08(bios, data + 0x02);
- p->timing_10_ODT = nv_ro08(bios, data + 0x0e) & 0x07;
- p->timing_10_CWL = nv_ro08(bios, data + 0x13);
+ p->timing_10_WR = nv_ro08(bios, data + 0x00);
+ p->timing_10_WTR = nv_ro08(bios, data + 0x01);
+ p->timing_10_CL = nv_ro08(bios, data + 0x02);
+ p->timing_10_RC = nv_ro08(bios, data + 0x03);
+ p->timing_10_RFC = nv_ro08(bios, data + 0x05);
+ p->timing_10_RAS = nv_ro08(bios, data + 0x07);
+ p->timing_10_RP = nv_ro08(bios, data + 0x09);
+ p->timing_10_RCDRD = nv_ro08(bios, data + 0x0a);
+ p->timing_10_RCDWR = nv_ro08(bios, data + 0x0b);
+ p->timing_10_RRD = nv_ro08(bios, data + 0x0c);
+ p->timing_10_13 = nv_ro08(bios, data + 0x0d);
+ p->timing_10_ODT = nv_ro08(bios, data + 0x0e) & 0x07;
+
+ p->timing_10_24 = 0xff;
+ p->timing_10_21 = 0;
+ p->timing_10_20 = 0;
+ p->timing_10_CWL = 0;
+ p->timing_10_18 = 0;
+ p->timing_10_16 = 0;
+
+ switch (min_t(u8, *hdr, 25)) {
+ case 25:
+ p->timing_10_24 = nv_ro08(bios, data + 0x18);
+ case 24:
+ case 23:
+ case 22:
+ p->timing_10_21 = nv_ro08(bios, data + 0x15);
+ case 21:
+ p->timing_10_20 = nv_ro08(bios, data + 0x14);
+ case 20:
+ p->timing_10_CWL = nv_ro08(bios, data + 0x13);
+ case 19:
+ p->timing_10_18 = nv_ro08(bios, data + 0x12);
+ case 18:
+ case 17:
+ p->timing_10_16 = nv_ro08(bios, data + 0x10);
+ }
+
break;
case 0x20:
p->timing[0] = nv_ro32(bios, data + 0x00);
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c
index 719a09b..a4fe7a4 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnva3.c
@@ -343,6 +343,66 @@ nva3_link_train_fini(struct nouveau_fb *pfb)
pfb->ram->put(pfb, &ram->ltrain.mem);
}
+/*
+ * RAM reclocking
+ */
+#define T(t) cfg->timing_10_##t
+static int
+nva3_ram_timing_calc(struct nouveau_fb *pfb, u32 *timing)
+{
+ struct nva3_ram *ram = (void *)pfb->ram;
+ struct nvbios_ramcfg *cfg = &ram->base.target.bios;
+ int tUNK_base;
+ u32 cur3, cur7, cur8;
+
+ cur3 = nv_rd32(pfb, 0x10022c);
+ cur7 = nv_rd32(pfb, 0x10023c);
+ cur8 = nv_rd32(pfb, 0x100240);
+
+ if (T(CWL) == 0)
+ T(CWL) = ((nv_rd32(pfb, 0x100228) & 0x0f000000) >> 24) + 1;
+
+ tUNK_base = ((cur7 & 0x00ff0000) >> 16) -
+ (cur3 & 0x000000ff) - 1;
+
+ timing[0] = (T(RP) << 24 | T(RAS) << 16 | T(RFC) << 8 | T(RC));
+ timing[1] = (T(WR) + 1 + T(CWL)) << 24 |
+ max_t(u8,T(18), 1) << 16 |
+ (T(WTR) + 1 + T(CWL)) << 8 |
+ (5 + T(CL) - T(CWL));
+ timing[2] = (T(CWL) - 1) << 24 |
+ (T(RRD) << 16) |
+ (T(RCDWR) << 8) |
+ T(RCDRD);
+ timing[3] = (cur3 & 0x00ff0000) |
+ (0x30 + T(CL)) << 24 |
+ (0xb + T(CL)) << 8 |
+ (T(CL) - 1);
+ timing[4] = T(20) << 24 |
+ T(21) << 16 |
+ T(13) << 8 |
+ T(13);
+ timing[5] = T(RFC) << 24 |
+ max_t(u8,T(RCDRD), T(RCDWR)) << 16 |
+ (T(CWL) + 6) << 8 |
+ T(RP);
+ timing[6] = (0x5a + T(CL)) << 16 |
+ (6 - T(CL) + T(CWL)) << 8 |
+ (0x50 + T(CL) - T(CWL));
+ timing[7] = (cur7 & 0xff000000) |
+ ((tUNK_base + T(CL)) << 16) |
+ 0x202;
+ timing[8] = cur8 & 0xffffff00;
+
+ nv_debug(pfb, "Entry: 220: %08x %08x %08x %08x\n",
+ timing[0], timing[1], timing[2], timing[3]);
+ nv_debug(pfb, " 230: %08x %08x %08x %08x\n",
+ timing[4], timing[5], timing[6], timing[7]);
+ nv_debug(pfb, " 240: %08x\n", timing[8]);
+ return 0;
+}
+#undef T
+
static int
nva3_ram_calc(struct nouveau_fb *pfb, u32 freq)
{
@@ -519,16 +579,17 @@ nva3_ram_calc(struct nouveau_fb *pfb, u32 freq)
ram_mask(fuc, mr[0], 0x00000000, 0x00000000);
ram_nsec(fuc, 1000);
- ram_mask(fuc, 0x100220[3], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[1], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[6], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[7], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[2], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[4], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[5], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[0], 0x00000000, 0x00000000);
- ram_mask(fuc, 0x100220[8], 0x00000000, 0x00000000);
-
+ ram_wr32(fuc, 0x100220[3], timing[3]);
+ ram_wr32(fuc, 0x100220[1], timing[1]);
+ ram_wr32(fuc, 0x100220[6], timing[6]);
+ ram_wr32(fuc, 0x100220[7], timing[7]);
+ ram_wr32(fuc, 0x100220[2], timing[2]);
+ ram_wr32(fuc, 0x100220[4], timing[4]);
+ ram_wr32(fuc, 0x100220[5], timing[5]);
+ ram_wr32(fuc, 0x100220[0], timing[0]);
+ ram_wr32(fuc, 0x100220[8], timing[8]);
+
+ /* Misc */
ram_mask(fuc, 0x100200, 0x00001000, !next->bios.ramcfg_10_02_08 << 12);
unk714 = ram_rd32(fuc, 0x100714) & ~0xf0000010;
--
1.9.3
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