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authorDave Airlie <airlied@redhat.com>2013-07-31 02:46:21 +0400
committerDave Airlie <airlied@redhat.com>2013-07-31 02:46:21 +0400
commitf34f516a8daa2517ac19916b88aff60e82d7e13d (patch)
treea9def5d5c9078047fb17a9fb5a81cff42aa4ea10 /drivers/gpu
parente9e3c8a20b2ac89a5770a6bb0a1d0dafc7f0edb0 (diff)
parent5a344dda944b4eea5a95e47a49ae5b53ce4f49b6 (diff)
downloadlinux-f34f516a8daa2517ac19916b88aff60e82d7e13d.tar.xz
Merge branch 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux
Alex writes: - more fixes for SI dpm - fix DP on some rv6xx boards * 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux: drm/radeon/dpm: re-enable cac control on SI drm/radeon/dpm: fix calculations in si_calculate_leakage_for_v_and_t_formula drm: fix 64 bit drm fixed point helpers drm/radeon/atom: initialize more atom interpretor elements to 0
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/atom.c5
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c11
2 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index fb441a790f3d..15da7ef344a4 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1222,12 +1222,17 @@ int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
int r;
mutex_lock(&ctx->mutex);
+ /* reset data block */
+ ctx->data_block = 0;
/* reset reg block */
ctx->reg_block = 0;
/* reset fb window */
ctx->fb_base = 0;
/* reset io mode */
ctx->io_mode = ATOM_IO_MM;
+ /* reset divmul */
+ ctx->divmul[0] = 0;
+ ctx->divmul[1] = 0;
r = atom_execute_table_locked(ctx, index, params);
mutex_unlock(&ctx->mutex);
return r;
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 1604a87cf2fe..7ad22e87cd62 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -1765,8 +1765,9 @@ static void si_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coe
{
s64 kt, kv, leakage_w, i_leakage, vddc;
s64 temperature, t_slope, t_intercept, av, bv, t_ref;
+ s64 tmp;
- i_leakage = drm_int2fixp(ileakage / 100);
+ i_leakage = drm_int2fixp(ileakage) / 100;
vddc = div64_s64(drm_int2fixp(v), 1000);
temperature = div64_s64(drm_int2fixp(t), 1000);
@@ -1776,8 +1777,9 @@ static void si_calculate_leakage_for_v_and_t_formula(const struct ni_leakage_coe
bv = div64_s64(drm_int2fixp(coeff->bv), 100000000);
t_ref = drm_int2fixp(coeff->t_ref);
- kt = drm_fixp_div(drm_fixp_exp(drm_fixp_mul(drm_fixp_mul(t_slope, vddc) + t_intercept, temperature)),
- drm_fixp_exp(drm_fixp_mul(drm_fixp_mul(t_slope, vddc) + t_intercept, t_ref)));
+ tmp = drm_fixp_mul(t_slope, vddc) + t_intercept;
+ kt = drm_fixp_exp(drm_fixp_mul(tmp, temperature));
+ kt = drm_fixp_div(kt, drm_fixp_exp(drm_fixp_mul(tmp, t_ref)));
kv = drm_fixp_mul(av, drm_fixp_exp(drm_fixp_mul(bv, vddc)));
leakage_w = drm_fixp_mul(drm_fixp_mul(drm_fixp_mul(i_leakage, kt), kv), vddc);
@@ -2042,8 +2044,7 @@ static void si_initialize_powertune_defaults(struct radeon_device *rdev)
ni_pi->enable_sq_ramping = false;
si_pi->enable_dte = false;
- /* XXX: fix me */
- if (0/*si_pi->powertune_data->enable_powertune_by_default*/) {
+ if (si_pi->powertune_data->enable_powertune_by_default) {
ni_pi->enable_power_containment= true;
ni_pi->enable_cac = true;
if (si_pi->dte_data.enable_dte_by_default) {