From: Dave Airlie Date: Fri, 18 Sep 2009 05:19:37 +0000 (+1000) Subject: drm/radeon/kms: move around new init path code to avoid posting at init X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fc30b8efbe1b271eb64e0d4f6cb2a91bb57ee5f3;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git drm/radeon/kms: move around new init path code to avoid posting at init We really don't want to post the card at init, it takes a relatively long time and isn't required, so split the resume path into a startup path called by both init/resume and separate resume entry point to do posting. Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c index 2142a4781970..9b38956e91c7 100644 --- a/drivers/gpu/drm/radeon/r420.c +++ b/drivers/gpu/drm/radeon/r420.c @@ -157,31 +157,10 @@ static void r420_clock_resume(struct radeon_device *rdev) WREG32_PLL(R_00000D_SCLK_CNTL, sclk_cntl); } -int r420_resume(struct radeon_device *rdev) +static int r420_startup(struct radeon_device *rdev) { int r; - /* Make sur GART are not working */ - if (rdev->flags & RADEON_IS_PCIE) - rv370_pcie_gart_disable(rdev); - if (rdev->flags & RADEON_IS_PCI) - r100_pci_gart_disable(rdev); - /* Resume clock before doing reset */ - r420_clock_resume(rdev); - /* Reset gpu before posting otherwise ATOM will enter infinite loop */ - if (radeon_gpu_reset(rdev)) { - dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", - RREG32(R_000E40_RBBM_STATUS), - RREG32(R_0007C0_CP_STAT)); - } - /* check if cards are posted or not */ - if (rdev->is_atom_bios) { - atom_asic_init(rdev->mode_info.atom_context); - } else { - radeon_combios_asic_init(rdev->ddev); - } - /* Resume clock after posting */ - r420_clock_resume(rdev); r300_mc_program(rdev); /* Initialize GART (initialize after TTM so we can allocate * memory through TTM but finalize after TTM) */ @@ -217,6 +196,33 @@ int r420_resume(struct radeon_device *rdev) return 0; } +int r420_resume(struct radeon_device *rdev) +{ + /* Make sur GART are not working */ + if (rdev->flags & RADEON_IS_PCIE) + rv370_pcie_gart_disable(rdev); + if (rdev->flags & RADEON_IS_PCI) + r100_pci_gart_disable(rdev); + /* Resume clock before doing reset */ + r420_clock_resume(rdev); + /* Reset gpu before posting otherwise ATOM will enter infinite loop */ + if (radeon_gpu_reset(rdev)) { + dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", + RREG32(R_000E40_RBBM_STATUS), + RREG32(R_0007C0_CP_STAT)); + } + /* check if cards are posted or not */ + if (rdev->is_atom_bios) { + atom_asic_init(rdev->mode_info.atom_context); + } else { + radeon_combios_asic_init(rdev->ddev); + } + /* Resume clock after posting */ + r420_clock_resume(rdev); + + return r420_startup(rdev); +} + int r420_suspend(struct radeon_device *rdev) { r100_cp_disable(rdev); @@ -330,7 +336,7 @@ int r420_init(struct radeon_device *rdev) } r300_set_reg_safe(rdev); rdev->accel_working = true; - r = r420_resume(rdev); + r = r420_startup(rdev); if (r) { /* Somethings want wront with the accel init stop accel */ dev_err(rdev->dev, "Disabling GPU acceleration\n"); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 9844783cd8d7..5f42fad19190 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1466,7 +1466,7 @@ bool r600_card_posted(struct radeon_device *rdev) return false; } -int r600_resume(struct radeon_device *rdev) +int r600_startup(struct radeon_device *rdev) { int r; @@ -1499,6 +1499,40 @@ int r600_resume(struct radeon_device *rdev) return 0; } +int r600_resume(struct radeon_device *rdev) +{ + int r; + + if (radeon_gpu_reset(rdev)) { + /* FIXME: what do we want to do here ? */ + } + /* post card */ + if (rdev->is_atom_bios) { + atom_asic_init(rdev->mode_info.atom_context); + } else { + radeon_combios_asic_init(rdev->ddev); + } + /* Initialize clocks */ + r = radeon_clocks_init(rdev); + if (r) { + return r; + } + + r = r600_startup(rdev); + if (r) { + DRM_ERROR("r600 startup failed on resume\n"); + return r; + } + + r = radeon_ib_test(rdev); + if (r) { + DRM_ERROR("radeon: failled testing IB (%d).\n", r); + return r; + } + return r; +} + + int r600_suspend(struct radeon_device *rdev) { /* FIXME: we should wait for ring to be empty */ @@ -1596,7 +1630,7 @@ int r600_init(struct radeon_device *rdev) return r; } - r = r600_resume(rdev); + r = r600_startup(rdev); if (r) { if (rdev->flags & RADEON_IS_AGP) { /* Retry with disabling AGP */ diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index 47427623a84c..a6399662a843 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -851,7 +851,7 @@ int rv770_gpu_reset(struct radeon_device *rdev) return 0; } -int rv770_resume(struct radeon_device *rdev) +static int rv770_startup(struct radeon_device *rdev) { int r; @@ -875,6 +875,40 @@ int rv770_resume(struct radeon_device *rdev) return 0; } +int rv770_resume(struct radeon_device *rdev) +{ + int r; + + if (radeon_gpu_reset(rdev)) { + /* FIXME: what do we want to do here ? */ + } + /* post card */ + if (rdev->is_atom_bios) { + atom_asic_init(rdev->mode_info.atom_context); + } else { + radeon_combios_asic_init(rdev->ddev); + } + /* Initialize clocks */ + r = radeon_clocks_init(rdev); + if (r) { + return r; + } + + r = rv770_startup(rdev); + if (r) { + DRM_ERROR("r600 startup failed on resume\n"); + return r; + } + + r = radeon_ib_test(rdev); + if (r) { + DRM_ERROR("radeon: failled testing IB (%d).\n", r); + return r; + } + return r; + +} + int rv770_suspend(struct radeon_device *rdev) { /* FIXME: we should wait for ring to be empty */ @@ -959,7 +993,7 @@ int rv770_init(struct radeon_device *rdev) return r; rdev->accel_working = true; - r = rv770_resume(rdev); + r = rv770_startup(rdev); if (r) { if (rdev->flags & RADEON_IS_AGP) { /* Retry with disabling AGP */