Commit bc6ba313 authored by Alex Deucher's avatar Alex Deucher Committed by Luis Henriques

drm/radeon: KV has three PPLLs (v2)

commit fbedf1c3 upstream.

Enable all three in the driver.  Early documentation
indicated the 3rd one was used for something else, but
that is not the case.

v2: handle disable as well
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent 318267ab
......@@ -1851,10 +1851,9 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
return pll;
}
/* otherwise, pick one of the plls */
if ((rdev->family == CHIP_KAVERI) ||
(rdev->family == CHIP_KABINI) ||
if ((rdev->family == CHIP_KABINI) ||
(rdev->family == CHIP_MULLINS)) {
/* KB/KV/ML has PPLL1 and PPLL2 */
/* KB/ML has PPLL1 and PPLL2 */
pll_in_use = radeon_get_pll_use_mask(crtc);
if (!(pll_in_use & (1 << ATOM_PPLL2)))
return ATOM_PPLL2;
......@@ -1863,7 +1862,7 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
DRM_ERROR("unable to allocate a PPLL\n");
return ATOM_PPLL_INVALID;
} else {
/* CI has PPLL0, PPLL1, and PPLL2 */
/* CI/KV has PPLL0, PPLL1, and PPLL2 */
pll_in_use = radeon_get_pll_use_mask(crtc);
if (!(pll_in_use & (1 << ATOM_PPLL2)))
return ATOM_PPLL2;
......@@ -2154,6 +2153,7 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
case ATOM_PPLL0:
/* disable the ppll */
if ((rdev->family == CHIP_ARUBA) ||
(rdev->family == CHIP_KAVERI) ||
(rdev->family == CHIP_BONAIRE) ||
(rdev->family == CHIP_HAWAII))
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
......
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