From 6753ac2bf4c794d33f3232f84de790d4a0c3309d Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Wed, 28 Sep 2016 13:44:00 -0400 Subject: [PATCH] drm/amdgpu/dce10: simplify hpd code MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit use the hpd enum directly as an index Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 114 +++++---------------------------- 1 file changed, 15 insertions(+), 99 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 4108c68..15c3833 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -330,33 +330,12 @@ static int dce_v10_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc, static bool dce_v10_0_hpd_sense(struct amdgpu_device *adev, enum amdgpu_hpd_id hpd) { - int idx; bool connected = false; - switch (hpd) { - case AMDGPU_HPD_1: - idx = 0; - break; - case AMDGPU_HPD_2: - idx = 1; - break; - case AMDGPU_HPD_3: - idx = 2; - break; - case AMDGPU_HPD_4: - idx = 3; - break; - case AMDGPU_HPD_5: - idx = 4; - break; - case AMDGPU_HPD_6: - idx = 5; - break; - default: + if (hpd >= adev->mode_info.num_hpd) return connected; - } - if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[idx]) & + if (RREG32(mmDC_HPD_INT_STATUS + hpd_offsets[hpd]) & DC_HPD_INT_STATUS__DC_HPD_SENSE_MASK) connected = true; @@ -376,37 +355,16 @@ static void dce_v10_0_hpd_set_polarity(struct amdgpu_device *adev, { u32 tmp; bool connected = dce_v10_0_hpd_sense(adev, hpd); - int idx; - switch (hpd) { - case AMDGPU_HPD_1: - idx = 0; - break; - case AMDGPU_HPD_2: - idx = 1; - break; - case AMDGPU_HPD_3: - idx = 2; - break; - case AMDGPU_HPD_4: - idx = 3; - break; - case AMDGPU_HPD_5: - idx = 4; - break; - case AMDGPU_HPD_6: - idx = 5; - break; - default: + if (hpd >= adev->mode_info.num_hpd) return; - } - tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]); + tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd]); if (connected) tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 0); else tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_POLARITY, 1); - WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp); + WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[hpd], tmp); } /** @@ -422,33 +380,12 @@ static void dce_v10_0_hpd_init(struct amdgpu_device *adev) struct drm_device *dev = adev->ddev; struct drm_connector *connector; u32 tmp; - int idx; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - switch (amdgpu_connector->hpd.hpd) { - case AMDGPU_HPD_1: - idx = 0; - break; - case AMDGPU_HPD_2: - idx = 1; - break; - case AMDGPU_HPD_3: - idx = 2; - break; - case AMDGPU_HPD_4: - idx = 3; - break; - case AMDGPU_HPD_5: - idx = 4; - break; - case AMDGPU_HPD_6: - idx = 5; - break; - default: + if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) continue; - } if (connector->connector_type == DRM_MODE_CONNECTOR_eDP || connector->connector_type == DRM_MODE_CONNECTOR_LVDS) { @@ -457,24 +394,24 @@ static void dce_v10_0_hpd_init(struct amdgpu_device *adev) * https://bugzilla.redhat.com/show_bug.cgi?id=726143 * also avoid interrupt storms during dpms. */ - tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx]); + tmp = RREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); tmp = REG_SET_FIELD(tmp, DC_HPD_INT_CONTROL, DC_HPD_INT_EN, 0); - WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[idx], tmp); + WREG32(mmDC_HPD_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); continue; } - tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]); + tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 1); - WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp); + WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); - tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx]); + tmp = RREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd]); tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_CONNECT_INT_DELAY, AMDGPU_HPD_CONNECT_INT_DELAY_IN_MS); tmp = REG_SET_FIELD(tmp, DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_DISCONNECT_INT_DELAY, AMDGPU_HPD_DISCONNECT_INT_DELAY_IN_MS); - WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[idx], tmp); + WREG32(mmDC_HPD_TOGGLE_FILT_CNTL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); dce_v10_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd); amdgpu_irq_get(adev, &adev->hpd_irq, @@ -495,37 +432,16 @@ static void dce_v10_0_hpd_fini(struct amdgpu_device *adev) struct drm_device *dev = adev->ddev; struct drm_connector *connector; u32 tmp; - int idx; list_for_each_entry(connector, &dev->mode_config.connector_list, head) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - switch (amdgpu_connector->hpd.hpd) { - case AMDGPU_HPD_1: - idx = 0; - break; - case AMDGPU_HPD_2: - idx = 1; - break; - case AMDGPU_HPD_3: - idx = 2; - break; - case AMDGPU_HPD_4: - idx = 3; - break; - case AMDGPU_HPD_5: - idx = 4; - break; - case AMDGPU_HPD_6: - idx = 5; - break; - default: + if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd) continue; - } - tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[idx]); + tmp = RREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]); tmp = REG_SET_FIELD(tmp, DC_HPD_CONTROL, DC_HPD_EN, 0); - WREG32(mmDC_HPD_CONTROL + hpd_offsets[idx], tmp); + WREG32(mmDC_HPD_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp); amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd); -- 2.7.4