drm/nouveau: run perflvl and M table scripts on mem clock change

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_pm.c b/drivers/gpu/drm/nouveau/nv50_pm.c
index eaf69c83ce92..2a9fabdf1b75 100644
--- a/drivers/gpu/drm/nouveau/nv50_pm.c
+++ b/drivers/gpu/drm/nouveau/nv50_pm.c
@@ -24,6 +24,7 @@
 
 #include "drmP.h"
 #include "nouveau_drv.h"
+#include "nouveau_bios.h"
 #include "nouveau_pm.h"
 
 /*XXX: boards using limits 0x40 need fixing, the register layout
@@ -33,6 +34,7 @@
  */
 
 struct nv50_pm_state {
+        struct nouveau_pm_level *perflvl;
         struct pll_lims pll;
         enum pll_types type;
         int N, M, P;
@@ -77,6 +79,7 @@ nv50_pm_clock_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl,
         if (!state)
                 return ERR_PTR(-ENOMEM);
         state->type = id;
+        state->perflvl = perflvl;
 
         ret = get_pll_limits(dev, id, &state->pll);
         if (ret < 0) {
@@ -98,11 +101,30 @@ void
 nv50_pm_clock_set(struct drm_device *dev, void *pre_state)
 {
         struct nv50_pm_state *state = pre_state;
+        struct nouveau_pm_level *perflvl = state->perflvl;
         u32 reg = state->pll.reg, tmp;
+        struct bit_entry BIT_M;
+        u16 script;
         int N = state->N;
         int M = state->M;
         int P = state->P;
 
+        if (state->type == PLL_MEMORY && perflvl->memscript &&
+            bit_table(dev, 'M', &BIT_M) == 0 &&
+            BIT_M.version == 1 && BIT_M.length >= 0x0b) {
+                script = ROM16(BIT_M.data[0x05]);
+                if (script)
+                        nouveau_bios_run_init_table(dev, script, NULL);
+                script = ROM16(BIT_M.data[0x07]);
+                if (script)
+                        nouveau_bios_run_init_table(dev, script, NULL);
+                script = ROM16(BIT_M.data[0x09]);
+                if (script)
+                        nouveau_bios_run_init_table(dev, script, NULL);
+
+                nouveau_bios_run_init_table(dev, perflvl->memscript, NULL);
+        }
+
         if (state->pll.vco2.maxfreq) {
                 if (state->type == PLL_MEMORY) {
                         nv_wr32(dev, 0x100210, 0);